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

revs back down and shuts off

by in Potwin, KS on June 10, 2013
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3 answers 2 comments
ANSWER by , June 10, 2013
need more info.codes?
COMMENT by , June 10, 2013
It shuts off but will start agin. And while driving when letting off the gas it shuts off
ANSWER by , June 10, 2013
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.
COMMENT by , June 10, 2013
Have put injector cleaner in but not that many times Will try what you suggested Thank you
ANSWER by , June 10, 2013
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!