1990 Chevrolet Camaro Q&A

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

revs back down and shuts off -
Answer 1
need more info.codes? -
Comment 1
It shuts off but will start agin. And while driving when letting off the gas it shuts off -
Answer 2
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 1
Have put injector cleaner in but not that many times Will try what you suggested Thank you -
Answer 3
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! -