Questions and Answers

Mazda RX-7 Getting Too Much Gas Q. First I would like to thank you for your service and your site. I have a 1985 Mazda RX-7 rotary fuel injected. I have not any trouble with it until Friday. I started it up and moved it across the street and put seat covers on and the next morning I went to go to work and it would not start. I checked the spark plugs and they were wet with gas.

I dried them out and while they were out I cranked the motor, to blow out the gas, vent it. I checked to see for correct spark and all four had the correct spark. I reinstalled the plugs and tried again and it still did not start. No foot pumping, did not even touch the pedal.

I removed the plugs again and they were fouled out again. I am very experienced in the auto repair but I am stuck on this I need help. Also I would like to know if you know where there is a web site on this car Repair or Q&A?

Thank You again for your service...

A. It is possible the injectors are dumping fuel into the engine. Try listening for the injectors clicking while the engine is cranked. Take a long screwdriver and put the tip on the base of the injector and your ear to the handle. Have someone crank the engine and listen for the click. It should be a sharp click. A dull sounding clip indicates a dirty injector that is, probably, not sealing.

If you hear a one, single click, then either the brown/yellow and/or the yellow/red wire is pinched to ground. or the PCM is bad.

You can try taking a small vacuum line off the intake, actually making a vacuum leak, and see if it will start. If it does, then you have a problem with the Idle Air Control Valve (IACV).

Another possible problem is the seals for the rotors have a habit of going bad and thus no compression builds up.