Question about 1988 Mazda RX-7

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Ran out gas now will not start

I was wondering if anyone could help me revive my 88 Rx7. I bought it after six months of sitting and it wasn't running I told the previous owner to get it running so I could test it so he replaced the fuel pump and it ran. I brought it home and was showing my friend so I rev'd it a bit and shut it off, did it once again 2 hours later, another 2 hours I tried to start it and bring it into my garage and it wouldn't start It was out of gas. I filled it back up and now it wont start, at first I thought It could be flooded so I pulled the EGI Fuse out and cranked it a few times (Nothing), I then tried to take the Spark plugs out and the EGI Fuse out and crank it for a few times (Couldn't see and vapors but did smell the gas), then I tried to take the upper spark plugs out and put a dab of Transmission fluid in to help with compression (Nothing). I checked to see if I had spark which I do, and to see if my fuel pressure was good and it is. I checked my Injectors with a Noid light and it didn't light up (Only checked one). What could be wrong? My injectors/the computer not telling the injectors to work (Keep it mind they were working before I ran out of gas), my Fuel Pump (Could I have sucked some **** from the bottom of my tank up), My fuel filter, or? I also sprayed some gas into my intake and it fired for a second.

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  • Mazda Master
  • 3,679 Answers

Yes could have sucked up some ?><*^$ check for a fuel filter

Posted on Mar 27, 2014

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6 Suggested Answers

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Posted on Jan 02, 2017

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SOURCE: 1988 rx7 turbo starts and runs for 3-5 seconds and dies...

I would check the all relays. I would check the vehicles main computer. Sound to me the engine ignitoin system was completely replaced.
The altenator should be putting out correct voltage? The battery must be holding the charge because you are able to re start the car.
I think a relay , altenator or computer is getting to hot internally and shutting down.

Good luck,

Posted on Apr 25, 2009

daves944
  • 1050 Answers

SOURCE: Mazda MPV 2.6 1989 good ecm, good injectors (but

You probably have a bad ecm. These engines used the same ecm that the injected b2200 used and they had a lot of problems with capacitors that leaked and damaged the etching on the ecm's circuit board. If you do indeed have 12V on one side of the injectors and no pulsing ground from the ecm, then the problem either in the ecm or the wiring between the ecm and the injectors. When you say good ecm, have you tried a known good one?
If you're really good at desoldering and repairing pc boards, you can fix it yourself, all you'll need is a 47uF capacitor. Or you can send it out.

http://www.avproecm.com/mazda.htm

Posted on Jan 11, 2011

  • 1 Answer

SOURCE: 89 B2600I: engine starts and

I have the same problem. As long as i spray gas in the manifold i will crank an run but soon as i stop spraying the truck stops runing.. Did You ever get your truck fixed

Posted on Oct 12, 2011

  • 2 Answers

SOURCE: hi have a issue with a mazda .ford product

need to check timeing and valvs might have jumped time or bent a valve or two when it reved up

Posted on Dec 08, 2011

  • 45468 Answers

SOURCE: No Injector Pulse

run fault codes as there is a problem sensor in the system. volts at the injector is suspect as the voltage will vary with the fuel requirement.

Posted on Jan 06, 2014

Testimonial: "It's not throwing any codes. I was just sitting at idle and the car stalled. It didn't give me any indication at all that something was wrong. I tried to restart it and it just keeps cranking and cranking."

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