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