Rx7 not getting fuel. - Fuel pump is working , fuses are good.

Rx7 not getting fuel The Mazda RX-7 Subreddit, home of the brap. The motor doesn’t sound like Oct 20, 2022 · Mazda rx7 getting to much fuel? wat. Copy. Make sure there are no fuel line leaks or injector leaks. Second: I believe my car has the dreaded 4x110mm lug pattern. On the leading coil the spark is much less, but I am getting spark. same problem with flooding,when you drive short distance , warmup incorrectly or if use synthetic oil. So this is what I'm going to try this weekend: Make sure the air filter looks good. Mounted under the car. Feb 23, 2003 · There are basically two types of turbocharger re-builders, one will just work on the turbo cartridge and you get to remove this from the RX-7 specific exhaust and compressor housings. My main concern comes from the required fuel setting. The best part is, our Mazda RX-7 Fuel Pumps start from as little as $53. This thread was created to answer many of the commonly asked questions that pop up on a regular basis in the 2nd Generation The fuel system is under pressure even when the fuel pump is not in operation. Put a towel over you to soak up any gas that may drip on you. I swapped the coil, plugs, distributor cap, and rotor with good ones from my 85. What do I check Mazda RX-7: I have an 86 RX7 rotary which I use infrequently. The best part is, our Mazda RX-7 Fuel Filters start from as little as $5. I’ve bridged the terminals on the check connector and I still get no power to the fuel pump. In the world of fuel stabilizer products, there are various methods or approaches to try to keep petro fuel from I’m looking into getting an ‘88 rx7 relatively soon. Also listen for the fuel pump does it hum when you turn on the ignition on without turning the motor over . The motor is not a priority when looking to buy these cars, everyone always goes straight to the engine, doing compression chests and seeing if it 1993-1995 Mazda RX-7 (FD3S) 13B-REW Fuel Rail Step Up Kit Notice of Performance Many of the parts that we sell are of a high performance nature and may cause additional stress on your vehicle. Last time I drove it it was fine just overheated in high temperature, It has 144k miles on it and it's been sitting and won't start I know the spark plugs have been changed with no avail . New Member RX-7 Technical - Post your first technical questions here, in an easy flame free environment, before jumping into the main technical sections. 1987 MAZDA RX-7 LS1 T56 | 1995 MAZDA RX-7 ST PORT BOLT-ON'S ADAPTRONIC PNP | 1994 ok, turning over and cranking are the same thing, what your saying is it won't fire, so , 2 things make a motor fire, electric and fuel, so starting with the easiest remedy , remove the distributor cap, and inspect the rotor and connection points that are inside the cap, check for any debris built up , sometimes you can clean them good enough Oct 24, 2022 · Where is fuel pump on mazda rx7? Updated: 10/24/2022. You work by eliminating possible causes. With those ruled out it’ll be definitive. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. It turns over n sounds like it wants to start but won't. Cosmo. the 3 wires i have coming out the tank 1x black/white stripe joins black /white stripe from pump 1x black/white stripe joins the other black/white from pump If you've modified your engine beyond the basics, such as installing a turbo or nitrous kit, it's likely time to upgrade your Mazda RX7 fuel injectors. When it comes to your Mazda RX-7, you want parts and products from only trusted brands. 2 weeks ago; toy68403 updated the photo of their 1979 Mazda RX-7. Too much pre-mix won't hurt you unless you are dumping insane Dec 28, 2019 · my 1981 mazda rx7 turns over but will not crank like it's not getting any fuel. It has 1/4 tank of new gas. 99. No points in it. I've tried a couple of different things to start it, such as spraying starting fluid into the intake and changing the plugs. This answer is: Trying to get my 89 Rx7 to start, hasn’t started since engine swap. odonkevgmailcom added a 1983 Mazda RX-7 to their garage. No load wind up takes little fuel. I've never done this before and I'm not a mechanic so go easy on me. 7 I get a Required fuel of Sep 4, 2013 · my mazda rx7 wont start unless i add gas but wen it starts it sounds like its working on one rotor . Its not getting any fuel still so its not starting, ive put atf fluid in the spark plug holes a couple days ago thinking it was flooded but ice done this quite a few times that i have reason to doubt it is flooded, especially since it isnt getting any extra fuel. Many station switch over to winter blend fuel to prevent freezing. Sep 26, 2010 · My rx7 has no spark but seems to have fuel. Dec 4, 2011 · Series I Trouble Shooting - Fuel Pump not getting power - Yesterday I went to start my car and it just spun over so after troubleshooting I found that the fuel pump wasnt working. Nov 7, 2022 · In this video we re working on my mazda rx7 FC a viewer suggested to change the fuel pump cause we had some misfiring issues with the engine at high rpm. Feb 19, 2010 · I can't get the RX to start. We know you’ll find the perfect Fuel Tanks for your 1991 Mazda RX-7, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Today we are diving back into the Mazda FD RX7 fuel set up for the single turbo 13b Bridgeport Rotary buildFollow the journey and grab some merchandise at:ht Jan 30, 2019 · little set backs and how to test if you have a bad fuel pump or fuel filter and how much to shim OEM limited slip differential and set backlash with a soda can Engine Mechanical Problem 1987 Mazda Rx7 4 Cyl Two Wheel Drive Manual I Have 87 Mazda Rx-7 That Has Been Sitting Up For About 2 Years Asked by camptown · 5 ANSWERS I would check over the engine and transmission wiring and wiring connections for any issues and repair as needed. I absolutely love the rotary engine, but the rx7 fc and fd are getting increasingly more expensive. All you do is pour an amount of ashless two-stroke oil into the fuel tank anytime you fill up. if you can, get it to kick on secondaries (3300ish iirc) and see what it sounds like. Dec 7, 2011 · I have the same kinda problem, 1997 7. The stock fuel system on the 3rd generation RX-7, with an appropriate ECU upgrade, can support upwards of 380HP* on the stock motor. r/RX7 • i took a few pictures of my 84 FB RX-7 before i loaded it onto a flatbed to go get some body work done and a safety done to make it road legal in Ontario, best damn purchase I've ever made lol, looks good from every angle Aug 2, 2003 · Fuel for RX7. Aug 10, 2002 · Its running a return line. Great big bar and lots of pressure or a one inch drive Intersol Rand air impact wrench. ∙ 14y ago. But it could easily be injector wires grounding and not pulsing (staying open the whole time) it could be fuel pressure, and not getting enough fuel. Upon priming (you can hear the pump priming when you key on yes?) you should get ~40psi to the rails. and i made a huge mess. I'm not going to get into all the technical stuff because a lot of other people have chimed in, but I will confirm that they can be very efficient in a narrow band. The fuel sock honestly looked fine, old, but not dirty who ch surprised me given how bad the fuel looked at the end of draining the old fuel filter. May 21, 2012 · It will not idle once the choke lever is pushed all the way in. No heat. If I press the gas pedal while turning over it sounds like its flooding. This would be my first rx7 and while I know the basics on paper, I’ve never worked on one. If that doesnt work, i would recommend removing the fuel line from the motor and having someone crank the ignition while its in a cup. Oct 10, 2002 · I have an 86 Jap Spec FC3 RX7 13B Turbo and have an issue where my fuel pump is not turning on/powering up when you turn on the ignition. Can you rev it? If you can, how fast can it climb to 2500rpm. The thing with running out in 2nd was that it was a fairly steep old hill I was pulling up and had been on and off the throttle through the lower section of the track (driving mostly light-switch style!), so its not like a free rev, or running over a flat-ish surface as it was taking a while to accelerate. Banzai racing makes a delete kit. It won’t start, I know I have spark and compression and the timing is right, but it won’t start. I can spray starter fluid directly into the intake and it will start, burn it out, and die. Business, Economics, and Finance. Was not getting fuel to system so, I jumped pump and works ok but, still - Mazda 1988 RX-7 question. Not ideal for mpg. Is it a coincidence that this happened at the same time, and if so what could be keeping power from reaching the fuel pump? Oct 28, 2012 · So I thought maybe defective pump and a bunch of other stuff. Jan 7, 2004 · You will have to actively unflood the vehicle. When I tried to crank it it would not start. 1993 RX-7 FD: Kraken – Projected BuildEngine:LS-1 5. Sep 13, 2017 · Fuel. So if you’re in the market for aftermarket Fuel Tanks to keep your 1991 Mazda RX-7 rolling for years to come, look no further. Also, wrap a clean cloth around the fuel connection when loosening to catch any fuel spray from residual pressure and take precautions to avoid the risk of fire. In ascending order of cheapest to test: Air (basically a given). Just thought it There was a common issue on FCs with fuel delivery as the car got older. It cranks well, the fuel pump pumps fuel and I hear the injectors working. In the non-pressurized inlet there is a small mesh cone filter that gets clogged. 5 mpg indicated, the MTE should trip at 45 mile range or better, and not at 17, if there is a fuel level sensor that is calibrated to light off at 2. Jan 6, 2018 · Not only will the flooding kill the plugs but it causes the side seals and tips to not seal as well lowering compression. Full Function Engineering shall not be responsible for damages due to May 3, 2010 · You are not getting fuel to the engine. to fix the cause of flooding(i have the same vehicle and problems)let it warm up for at least 15 min. com - Mazda RX7 Forum Oct 21, 2022 · 1 No power to the fuel pump 2 Failed fuel pump 3 fuel filter clogged 4 blockage or failure of fuel line (5 clogged injectors) Dec 2, 2024 · Fuel pump does no prime? Fixed. I don’t remember the exact issue - it’s been 20 years- but I remember having to unplug the fuel pump just under the dash, turn the key to start cranking the engine, plug it back in while cranking and it would start. What is this setting all used for? The issue im having, If I use the calculator for my engine I enter these values Engine displacement 1308cc Number of cylinders 2 Injector flow 775 cc/min air fuel ratio 14. Moderators: Next; Message. Are you getting spark? Pull a wire and arc it on the engine or chassis. . I’ve already tested the fuel pump main relay and all fuses are good. Check wiring, I had this problem, and the engine ground wasn’t connected so it would crank but not start. The fuel pump is ok. When I work the throttle linkage, I can see gas squirting into the carb. Anyway, I buy a new battery and hook it up to the car and no crank no start even with a jump box. my 1981 mazda rx7 turns over but - Cars & Trucks question. Optimizing your fuel system will not only maximize your engine's output, but will protect it from potential damage. And fwiw before I pulled the fuel pump the car did try to start, seemed to fire up for a second, and then died. Make sure there's fuel pressure at the fuel rail I’ve found an ‘83 RX-7 GSL near me for 3500 that I’m considering buying. Make sure they are gaped correctly. Yesterday car didn’t like hot starting. Previous owner was swapping to a fuel cell before so there’s no gas tank and no lines or anything not that it matters. So spark i Are you getting fuel into the engine? crank for a few seconds and pull a plug to see if it’s wet. The nut is torqued to 350 lb/ft and there is sealant on the threads and the washer. Please help no problem not sue why I'm getting down voted its a pretty known fact that one of the biggest forgotten service items is the fuel filter and was a big demise of a lot of people's rx7s moving it up into the bay and or Trans tunnel not only reminds you it's there by seeing it frequently it just makes it a lot easier to change out. The aluminum fuel rail is anodized black for compatibility with all popular fuel types including E85. So I heard pulling the fuel relay in the engine bay (the green fuse) then giving it a couple cranks without it and plugging it back in might work. 1 week ago; toy68403 updated the photo of their 1979 Mazda RX-7. wat. Install a new battery as most likely the old battery is no good anymore here. Maybe an mpg or two better but not a dramatic increase. Nov 6, 2013 · well,when you turn off the rotary it leaves oil and gas. See answer (1) Best Answer. Sep 13, 2008 · I have an 86 Jap Spec FC3 RX7 13B Turbo and have an issue where my fuel pump is not turning on/powering up when you turn on the ignition. There is gas in the float, the sight glass is at half. The mpg is based on ideal condition, not harsh winter or summer condition and if being a hybrid, mpg will suffer since the engine is running much more. Or there isn't enough fuel pressure. ing, or lead fouling (such as from using racing fuel) may also damage EGO sensors and ren-der them inoperative. Designed to optimize fuel flow when upgrading to bigger injectors. Use ONLY fuel injection rated hose, 5/16" ID, and you need about 6 feet worth to do the job. May 17, 2023 · I have a 1987 Mazda Rx7 that I just installed a ms3x into. If you can get a ignition set up like the 85 model and newer. Both have their advantages and disadvantages. Pulling the load of the car takes much more. To do this, you'll nee Any and all things Triumph Show your own, talk about them, get/give info, etc. 2 gallons in the tank. I checked the spark coming from the trailing coil on both plug wires and get very good spark. Want Answer 0. The carburetor may be clogged. This car came out before ethanol was introduced to the gas supply, and it went from %5 to %10 last summer. The only problem is that a non-turbo FC is not as fast / fun to drive as its turbo variants (FD or FC). Now, I understand that these cars have a Fuel Pump Resistor Relay which I believe is their to reduce voltage to the pump at idle and low revs - right? Sep 4, 2013 · My Rx7 cranks but won't start. In tank pump failing? Relay? Suction screen? Filter? The MAF(flappage) mentioned can also trick the ECM into delivering too little fuel. I checked the fuel pump fuse and May 27, 2015 · i have rx7 but there is no fuel is going in the engine so car can not start is this the sign that engine need to be rebulit or it can be a tecnical mechnical fault 1995 Mazda RX-7 Turbo Maintenance & Repair My GSL-SE (FB with a 13B) has the fuel pump under a metal cover, underneath the gas tank. Have a fuel pressure test run to see if you are getting fuel which I suspect is your problem. So maybe not your issue, but could be. All this will help, but don't be surprised if you have to repeat it a few times to get it started. If it's manual there's the neutral switch on the clutch, but afaik those don't go bad much. How does the Mazda cx7 differ from the Mazda rx7? The Mazda cx7 is not as good as the Rx7. With a working OMP, the general recommendation is 0. so i was just checking around and just jumped it to see if that was the problem it started easier but still hard to crank over i am not for sure on what is wrong with it and then i am having problems with it idling and not for sure if the Newer EFI systems use literally every single sensor input to measure Fuel Ratio Mixture, if you delete a number of sensors such as the O2 sensor and Engine Temperature sensor, it will still be able to run off of the Mass Airflow and Knock Sensors as it is not predicting Knock it knows that the engine is cool enough and getting generally correct So 2 big ones: compression and fuel pressure you have not yet verified. The power supplied to the fuel pump, ignition coil, fuel injectors, and parts of the power module is controlled by the logic module through the Automatic Shutdown Relay (ASD); the idea is to shut off fuel pressure and the ignition systems when the key is turned off to prevent fires, dieseling, and Don't forget to check injectors not enough fuel is typically the reason cars won't continue running after start, tho it could be something as simple as a weak battery so hit it with a multimeter and make sure it's pushing enough juice for the fuel pump, after that I'd move on to fuel filter the injectors and if you're still having issues then it would be time for a teardown 5 days ago · The RX-7 fuel pump must have a constantly circulating fuel flow through it for cooling purposes. 29 First thing is as you say, lubricate it with oil or ATF, owners choice. The fuel pulsation dampener was a common spot to leak fuel, but it doesn't cause a hissing sound and you'd smell fuel all the time after you park the car and turn it off. Fuel Injectors In older vehicles the sensing, control, and fuel metering functions were all performed by the carburetor. Make sure I have a 1987 Rx7 FC, and it won't start. 3 weeks ago; deiruous added a 1991 Mazda RX-7 to their garage Feb 3, 2024 · Even with the mediocre 20-21. 4. Does it still have the same tuning potential and aftermarket support that is loved about the Dec 12, 2009 · I cannot get my pump to run unless I run 12volts(battery charger) to it from/through the pump relay so when I turn the key I get nothing at the relay and I am not getting a constant out of any of the leads on it Im providing the 12 volts from the charger to make the pump run and when I do the truck runs fine (completely bypassing the relay) I have a 1985 RX-7 Fuel injected and can not get fuel to keep running. Waiting and she started with some difficulty but drove… Got a non running rx7 a couple days ago for cheap since it was pulled out a barn. i can get it to crank over but i cant get it to start completely. So, find the reason not enough FUEL is being delivered. Have you replaced the fuel filter which may be clogged? The fuel pump may have failed. Run a line from the fuel filter to the primary fuel rail, and run a line from the secondary fuel rail to the metal nipple that heads back to the tank. To make both the carburetor and fuel pump happy, we install a "T" into the fuel line, connecting the pressure and return lines together, to form a path for the fuel to circulate back to the fuel tank. If it's on one rotor it will go really slowly, if is one face it will be a little slower than normal. So I jumpered the power wire from the pump directly to the battery and the car started up and ran fine. so what could be the problem It sounds like you might have lost one face of the rotor. When testing compression do it with the throttle wide open. Posted by scizmtool on Feb 20, 2012. Always relieve the fuel system pressure before servicing the system. The tires may Not getting enough fuel to your Mazda RX7 engine can lead to disastrous results, including overheating and damaged engine components. Also make sure they are clean . 7 (Trans Am)Sa Dec 29, 2005 · 2nd Generation Specific (1986-1992) - Frequently Asked Questions on the 2nd Generation RX-7 - FAQ for FC - Please look through this thread before posting in the 2nd Generation Technical section. Getting the proper amount of fuel to your engine is critical in regards to performance and extending your engine's life, and installing high-performance Mazda RX7 fuel injectors is one very Posted by u/Scalene17 - 4 votes and 14 comments Continued from episode 3, the 1985 Rx7 gets its fuel gauge sending unit torn apart, cleaned, components tested, and rebuilt using all the old parts. In EFI-equipped engines fuel delivery is done with injectors, which are small on/off In this short video, I explain how I remove and bypass the stock fuel pressure regulator and fuel pulsation dampener in my 1995 RX-7. The less fuel you have in the tank the better. On a race car every lb matters, but for driving your Rx7 on the street or even for track use, that 1lb is not going to make a difference. 3 f250 206000 miles and ran outta fuel changed CPS with oreillys it started back up and then about a week ago it died like it was outta fuel had a quarter tank went got CPS from ford dealership and didn't start then got a fuel filter today still not starting acts like it wants to start turns over fast then dies down again, this is my first post, I am Oct 13, 2024 · Post your possible group buys and product interest for the 1986 through 1992 FC series RX-7 in this section. The price to build a 12 a and the HP you get is not worth the money to me so 351w is the way I am going with mine. Wiki User. there is also a fuel pump wire next to the fuse box Pre-mixing is another solution you can easily do yourself for added benefit without much cost. Not too long ago I started noticing that when the car was cold, first start of the day, it wouldn't start. wha At this point, I'm trying to do a list of what's necessary and check it all. The car is not driven aggressively in our suburban environment. I am suspecting the fuel but I can’t get it to start even if I spray a ton of starter fluid. Where all do you guys find wheels for a decent price? Jan 23, 2013 · ok i have a 1989 mazda rx7 gtu with a 13b rotary i can not get it to start. Fuel pump hums, start plugs getting fire , spark plug wires resistance is between 11k & 13k. Radium is baller, but I gotta ask - what are you looking to get out of your fuel system? If you just want more pressure of flow rate, you can probably just use the OEM hanger with a bigger pump. Adding the atf removes the fuel and ups the compression similar to a standard motor but is much more effective due to the shape of the combustion chamber and the comparatively large amount of sealing area as compared to a Jan 21, 2004 · KYPREO wrote:crankcase ventilation and evaporative emissions system. Starts when I put gas down the intake but stalls as the gas runs out. If you're not planning on injectors then you may end up needing to limit your boost to keep duty cycles reasonable. Can put some gas into the top of breather and will start up and rud until the fuel I put in burns uo and then the engine will die and not start back up. Any type of technical questions or info. So if I get it, my first “mod” im planning on doing is replacing the FPD with the banjo bolt to prevent the dreaded fuel leak. it totally works, but I'm kinda tired of having to do that every time to start it. Can’t seem to get more than a head scratch from the dealer tech. 2 months ago I got myself a 93 fd RX7, bone stock. Nov 16, 2019 · Here is an excellent product we’ve been using for the past several years now, designed by Yamaha to combat fuel degradation and the effects of ethanol – Fuel Med RX. Check out the discord for more refined communities (such as trades/sales) Too much fuel and your vehicle will not run correctly, and possibly blow out fuel lines creating a fire hazard. Freshly machined Bridgeported 13b, running a haltech management system. New Member RX-7 Technical - RX7Club. Another issue is that you enigne compression might be getting low, so have a compression test done after you get it started and have driven it for a few days. Clicking this will make more experts see the question and we will Finally, you MAY not be getting the proper air/fuel ratio. hey guys my car series 4 rx7 13bt was running fine yesterday until this morning when i went to start her up, she just cranked over but didn't start, so straight away i thought leaking injectors so i pulled the injector fuse out and cracked her over then put the fuse back in and still no go, so then i decided to undo the hose coming off the fuel filter and tried starting again there was no fuel Please please please tel me you aren’t using electrical tape in the fuel tank. If the vehicle doesn't start within 5 seconds of cranking it's probably not going to start without unflooding. The car sat for five years. Crypto Turbo 2 FC is the most reliable turbo RX7 you will get as I think it has the longest lifespan. Ie it might try to start or start and stall because its so flooded. Get a compression tester and external fuel pressure gauge. 1) If the engine will "kinda-run-but-stumbles-and-wants-to-die", make sure the engine is WARM (operating temperature), start the car, and get an assistant in the car to blip the throttle every so often to keep it alive so you have time to look down the carb. Fuel spurts out through the rail and to the return line and I can hear the fuel pump kick on, also replaced MFI fuse but no dice, any ideas on how to get it running again? 1987 RX7 Turbo cranks but does not starts. and yes I am losing fuel pressure while driving the car, right before it stalls, and if the car is rolling I kick start it using the clutch, it starts for about 30 seconds then dies again 2007 Mazda RX-8 refuses to start, I checked the fuel relay, fuel supply and the engine is getting fuel and line is pressurized. I locked the timing on -5 base, 15 splits, and I ended up with 22 TDC offset. Start by checking for engine codes . then start checking things like does it turn, does it pass a compression test, take a look in the exhaust port, are there signs of corrosion on the rotor, what's the apex seal look like, does the apex seal spring back up, what are the oil and coolant like and change them Dec 20, 2018 · Blake Olsen got lost in the midst of making the perfect second-generation RX-7, but his story ends differently. Advance Auto Parts has 6 different Fuel Filters for your vehicle, ready for shipping or in-store pick up. Even when bridging I show 0 volts at the fuel pump harness on the rear shock tower. Grade of fuel really doesn't matter. when i remove the leading plug on rotor number 2 it does not seem to be getting fuel because the plug is still very clean. We know you’ll find the perfect Fuel Tanks for your 1982 Mazda RX-7, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. 1988 Mazda RX7 4 cyl I have a 1988 mazda rx7 non turbo and I just replaced the ignition tumbler. First of all, I'm in the process of buying a 1983 RX-7 with a 5 speed manual. Even th You are not getting fuel to the engine. RX7 SII Boost Me Up Posts: 626 Joined: Sat Aug 02, 2003 4:18 pm Location I have a 1980 RX-7 that was sitting for around 3 years and Ive gotten it back to being able to start but every time it requires starting fluid. Radium hanger supports exotic configurations like twin pumps, etc They really do not work so great even when new. The carburetor is getting fuel. P/N: FD-RAD-FD-RAILS Radium Engineering Mazda RX-7 FD Fuel Rail Kit. If it’s not even trying to fire, it’s likely one of those two things. Gas is %10 ethanol, when it sits, it corrodes the fuel system. 5 13BT Mazda FC3S RX 1990 eagle talon fuel issue, car hasn’t ran in 10 years, I tried cranking it over but it is not firing. The Rx7 has more power, better fuel efficiency and a sleeker Jan 26, 2010 · Check your Automatic Shutdown Relay in your fuse and relay box under the hood by the battery. S4. Kinda new to the rotary so simple is good please. Otherwise the car is in decent shape on the outside, and excellent shape on the inside. It's getting fuel (I've even tried ether and still get no results). Or a few other things. Author. New problem, kicking over but not starting. Air, fuel, compression, spark, etc. You need fuel spark air and compression. Drivers side under the car in front of the gas tank. So if you’re in the market for aftermarket Fuel Tanks to keep your 1982 Mazda RX-7 rolling for years to come, look no further. The other type of re-builder will accept the whole RX-7 turbocharger assembly. If you have fuel air and spark it should start. Everyone tried telling me it was my 2ndary injectors or my tpms or groundings but i just had shit fuel flow. If it has air, spark, and fuel I am at a loss. I still am not sure if I should even look into an rx8 however because ive rarely heard anything good about it. The first component in the system to need replacing is the stock fuel pump. The high flow fuel rails are for the 13B-REW rotary engine found in the Mazda RX7 FD3S. The best fuel economy I ever got was when I was cruising at about 85 to 90 on a highway, which corresponds to around 3500 RPM on that car which apparently is a very efficient area Extra protection is great, chances are your car is still got the stock omp setup (that or it’s about to go bang) Typical premix for road use without omp is around 100:1 - 120:1, if you have the omp still setup it’s half the amount so 200:1 - 240:1 depending on how hard you drive, better off mixing more oil and just driving harder to keep the plugs from fouling Hey guys so I have a fb 12a rx7 thats been sitting for almost 2 years due to my incarceration and getting my life back on track . Search Fixya Let me know how it goes. you're suppise to be changing them every 25xxx km so I mean less I know for a fact it is not flooded, for the reason of I can do the de flooding all day and it won't work. It also will not idle. When these rupture they spray fuel directly on the exhaust manifold causing a fire. Also, the clutch cylinders need replaced before it can move under its own power. DO NOT pump the gas pedal at any time while cranking the engine. Fuel is getting to the rail, but it is acting like that is where it stops. If you only have a gallon or two and you open the fuel cap very little fuel will leak out. The car idles with fuel manually fed into it, but won’t feed itself. Change out all fluids in the vehicle including the fuel in the tank and fuel filter. Your car being an S4 should have bulkhead studs through the fuel pump hangar for the + & - wires. Search Fixya Jul 24, 2014 · Do it yourself fuel injector replacement - '89 Mazda RX-7 FC, Non-Turbo. It's not getting enough. I replaced this 6-8" of fuel line and problem solved - truck started after a few cranks and has passed the run/drive testing with no leaks or So ethanol sat in the car for a while? Maybe make sure there is fuel pressure at the rail. Carter fuel pump too short help. I checked and there is no power getting to the fuel pump. Direct wire the fuel pump and maybe small upgrade if you are planning for BNRs. You jack up the back end and you can find it. Apr 22, 2009 · 1983 Mazda RX7 lacks power rough or no idle Rebuilt carb, tried adjusting air/fuel/idle bolts, replaced plugs, fuel - Mazda 1983 RX-7 question Search Fixya Press enter to search. "Although it took seven years, I don't regret building it the way I did," Blake says Rx 7 is getting too much fuel - 1985 Mazda RX-7. I don't know what the problem is. If you're fuel bowls aren't filling up then that's an issue either with the fuel inlets that are in the top cover under the float pivot. - Fuel pump is working , fuses are good. so when you start it up, it burns off the oil you left causeing blueish smoke. RX-7 FD: Fuel Tank RemovalTank removed so I can later clean in and drop in a new fuel pump. this is what happened when it stopped runnin iwas getting on it and in 3rd gear my rpms dropped all the way down and hasnt started since from other Mazda RX-7 vehicles . Here at Andy's we have a fantastic selection of Mazda RX7 fuel pressure regulators. Study now. It would be virtually impossible to tow due to where it sits so this is up to me. Oct 27, 2009 · 1990 FC Non-turbo Fuel/Fuel line problems - I am having trouble with my 1990 FC, Non turbo 13B, fuel doesnt seem to be getting to the engine, although the i got it done, but i did not do it the right way. I have proper fuel pressure. Oct 22, 2022 · Esta en la parte inferior, levantas el carro y te metes por debajo, esta agarrado en la parte de abajo, es un poco difil de quitar, solo necesitas una llave 3/8 y listo. Turned out to be the fuel line from the fuel tank to the "In" side of the fuel pump collapsed and didn't allow fuel to pass to the pump. You should hear a - 2004-2008 Mazda RX-8 Feb 9, 2005 · FUEL LINES - you will be running the fuel lines along a longer run. i sprayed starting fluid through through the intake and still no signs of starting????? all fuses under hood are good and the ones under are too. I used 5/16 inch vacuum caps to cover the fuel filter pipes and two Bic pen caps to plug the 5/16 inch fuel lines to minimize fuel leakage. Weber manifolds don't have provision for a PCV valve, so petrol and oil fumes from the tank and crankcase aren't being consumed by the engine as they should be. Is your boost control solid? I would get any fuel mods done before tuning. Jun 11, 2022 · I installed haltech 2500 on my Rx-7, and I think there are timing drift and timing delay issues. Carbs are easy to rebuild, hard to tune, but since you're not changing anything, it'll be cake. Look for why it isn't getting enough. Adding Mazda RX7 fuel pressure regulators is a great way to ensure that your ride produces maximum performance and maintains reliability. These commonly go bad,(at least for me) have 2 RX-7s where they both did this. Make sure the plugs are firing. You will ruin the eccentric shaft. Anything about these great motorcycles (and vehicles) goes. Customer: I have a 89 Mazda rx7 that won't start. enjoy the show! Jan 28, 2018 · SOURCE: i just bought an 1993 mazda rx7 today but it wont start last bastard things are prone to flooding im afraid, take plugs out,whizz it over for 30 seconds be patient and wait for half hour to give time to dry out, then a couple of squirts of oil in each plug hole, whizz it over for about 2 seconds,then a couple more squirts of oil in each plughole again,replace (dry) sparkplugs, leads on Advance Auto Parts has 12 different Fuel Pumps for your vehicle, ready for shipping or in-store pick up. 46K subscribers in the RX7 community. 5 ounces of oil per gallon of fuel. Jun 26, 2018 · Not sure what the mechanic was trying to accomplish there . Dec 29, 2017 · New Member RX-7 Technical - Fuel pulsation dampener delete - I did a little search but could find anyone who's tried this, I'm thinking of getting rid of the Mazda pulsation dampener either with a generic dampener with a adapter but decided this might be a bit backwards. I am going V8 swap in my 79 . It can be many things. Once it's running I just have to keep blipping the throttle if not it will stall I have a 1987 Mazda RX7 and all of a sudden it won't start. I am trying to start it and it is not getting fuel. Make sure I can hear the fuel pump running as the engine turns. The base tune on the piwerFC is fine for those mods at 10 or 12 psi. I just put a nex fuel pump and fuel filter on and I am getting fuel up to engine. This will eliminate a lot of things or point straight to your problem . Thanks Jun 26, 2012 · the float moves but im still not getting a reading on the fuel gauge i have 3 wires an 2 connectors wrapped in the blueplastic . Still no start. I checked the air filter, fine. ∙ 13y ago. Car does not run due to clogged fuel lines and a rusty tank, engine was rebuilt probably around 200k miles, and it currently has 221k. You're gonna need to remove the intake to get to the primary fuel rail, good idea to change lines when you're in there. That might give you direction on where the issue is. How dd o I get fuel to the injectors? Mazda rx7 getting to much fuel? Updated: 10/23/2022. Good luck Weight: The stock OMP and lines weigh about 1lb. On my timing light, it would read double the rpm, so I'm not sure if this is the issue. 1 day ago; toy68403 updated the photo of their 1979 Mazda RX-7. Feb 21, 2021 · Huge thanks to Beytek for pointing me in the right direction!So stocked she can finally make it up the driveway on her own power! I'll be going for a drive s These can get resistive over time and the starter signal won't get through, also consistent with the 'worse just after shutting off'. I cycled the key and listened for the pump which is a noisy Carter, and couldn't hear it kick on, so once back to the pits I jacked up the car expecting that grass or gravel had knocked the push connectors of the pump, but they were still in Since the filter was bad, accelerator pump isn't squirting, and it doesn't run, old fuel probably turned to lacquer while sitting in there and clogged everything. If I do the oil and ether in the carb, it turns over right away and runs for 5 to 15 seconds then quits. Also to get it started again once it's warm I have to turn the ignition on and pump the throttle pedal a few times before starting it to get it running, if not the car will just turn over and over. I have replaced the fuel filter, spark plugs, distributor cap, rotor, all fuses, drained the old fuel and replaced it with fresh fuel. You can smell gas and the original set of plugs were soaked due to trying to start with less than full charge. Fuel pulsation damper. Trueno102 on Jan 3 Trying to decide what my next car will be. Dec 30, 2021 · Two weeks ago I slid off track in my RX-7, and 30 or so seconds later the car died when starved of fuel. We cannot guarantee the integrity of your automobile. I assume that means the pump is getting fuel to the carb. RX-7's WILL NOT unflood themselves, even if allowed to sit for long periods of time. "Carbon Buildup": While it's true that older oils left residue when burned, this is no longer a problem. I'm not sure what is going No the engine light isn't on, but the gas level is showing no gas, there is gas in the vehicle, I've adjusted the intake valve also, but that wasn't the cause. gvwll nkem iua upc wjo dxyw lqr dnhz mssekno qebk