NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   turboII stalls once at operating temp someone help! (https://www.nopistons.com/2nd-generation-specific-17/turboii-stalls-once-operating-temp-someone-help-66568/)

kkmazda 07-07-2007 12:59 PM

Hey I have an 87 turbo II. It has about 180,xxx miles on it . The car runs great when its cold ,it idles normal but once it gets to operating temp for a couple of minutes , it just dies if i give it gas i can keep it going . And for the longest time once it would stall out ,that was it , it wouldn't start again for like 6 hours . It sounded to me that it was loading up with fuel so i would pull the injector fuse and crank the engine to try to dry up the combustion chamber , that would get it started most of the time . The other day i was looking around my engine bay totally in awl trying to figure out my problem and right above my air filter box i seen this little electronic controller with a screw adjustment with the letters R and L on it. Right away i figured that meant rich and lean so i leaned it out almost all the way and now every time it stalls out at least it will start again . Can anyone tell me whats going on and what the hell did i adjust I would really really appreciate it

kkmazda 07-12-2007 05:40 PM

Wow have i stumpped everyone with this problem . Come on this is my first rotary engine. I feel like a retard under that hood and if no one can tell me what this problem is I'm just gonna assume they suck and sell this piece of **** and keep my mk3 supra $$$$$ RX7 FOR SALE$$$$

teknics 07-12-2007 05:44 PM

you adjusted the idle mixture screw.



your problem is probably a misadjusted screw on your TB somewhere, thermowax possibly.



kevin.

j9fd3s 07-12-2007 06:03 PM

its probably got a small vacuum leak, the hose between the intake/air filter and turbo likes to split, at the bottom, on the turbo end

kkmazda 07-14-2007 06:29 PM

thanks guys I will check that and let you know how i make out thanks alot for the help





Kenny

1979rx7 07-14-2007 08:47 PM


Originally Posted by kkmazda' post='877773' date='Jul 12 2007, 04:40 PM
Wow have i stumpped everyone with this problem . Come on this is my first rotary engine. I feel like a retard under that hood and if no one can tell me what this problem is I'm just gonna assume they suck and sell this piece of **** and keep my mk3 supra $$$$$ RX7 FOR SALE$$$$







ill give you $500 bucks , that will take care of the problem

kkmazda 07-20-2007 10:13 PM

Thanks to everyone for there help i found no vacuum leaks i just adjusted out the one idle screw i dont know if im just covering up the problem or if the guy before me misadjusted it . Thanks again

CGeek2k 07-25-2007 08:29 PM

Check the TPS also. There is a thread in the FAQs about how to adjust it properly.


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