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Q: I have a 89 camaro 350 while in park engin
revs for a few sec rev back down then on 1990 Chevrolet Camaro

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
revs back down and shuts off
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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IF 'stock' Tuned Port Injection (TPI) system, clean throttle body and check for a vacuum leak. Possible idle air control sticking. Injector cleaner with Chevron Techron recommended, if you are going to add any, might as well be something that works, this does!
either throttle position sensor of clogged injector in the throttle body. have you ever run injector cleaner. this should be done about every 5-6 tanks of fuel.
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