NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   need the cure (https://www.nopistons.com/2nd-generation-specific-17/need-cure-72448/)

FC_BOY 05-28-2009 07:41 PM

i need to know how to cure this hot starting issue. i though i fixed it when i replaced my injectors. it was fine after i switched them but it came back a few weeks later. i am starting to give up and if i don't fix it soon i am looking into just getting rid of the car. i really like my FC but i dont like waiting for it to cool down when i really need to leave. so if anyone out there had hot starting issues and fixed it please tell me what you did so i can try it on my car.

1988RedT2 05-28-2009 07:51 PM

So new injectors fixed the problem, but only for a little while? Are you running a fuel filter? What does the inside of your fuel tank look like?



A few years ago a friend of mine had an Audi that had tons of rust in the tank. He kept fixing the fuel injection and it kept crapping out.

Rob x-7 05-28-2009 07:59 PM

have you checked compression ?



have you adjusted the tps when the car is hot?

FC_BOY 05-29-2009 11:45 PM

the tank and everything is clean, but i haven't tried checking the tps while the car is hot though.

FC_BOY 05-30-2009 12:05 AM

i checked how to adjust the tps but it says i need a light, but i remember reading somewhere that i can adjust it using a voltmeter. can you tell me how to adjust the tps, i have the FSM but i just need to know what i can use in place of the light

j9fd3s 06-02-2009 04:46 PM

it can also be vacuum leaks....

FC_BOY 06-03-2009 12:03 AM

see thats what i am starting to think it is actually

j9fd3s 06-05-2009 12:29 PM


Originally Posted by FC_BOY' post='922353' date='Jun 2 2009, 10:03 PM
see thats what i am starting to think it is actually



FC's are picky about starting hot... and you can have a bunch of marginal stuff (small vacuum leak + tired coolant temp sensor + leaky injectors) make it flood...

FC_BOY 06-06-2009 04:46 AM

can compression cause hard hot starting too

j9fd3s 06-06-2009 12:51 PM


Originally Posted by FC_BOY' post='922555' date='Jun 6 2009, 02:46 AM
can compression cause hard hot starting too



yes, but if it idles smoothly than compression is usually good.


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