WONT STAY RUNNING
1989 Chevrolet Cavalier • 105,000 miles
89 z24 2.8 car wont start unless i hold gas to the floor. then wont stay running if i let off the gas. has new iac tps and map sensor. also the tcc has been unplugged. any ideas ?
Any major vacuum leaks? Possible intake? Have you checked fuel pump pressure?
No vacuum leak and fuel pressure is good
Did this happen all at once?
Yes all at once got it to run for ten mins or so earlier but as soon as I give it gas now it stalls
I really feel it has to do with an intake leak. Double check to make sure there are no trouble codes stored in the computer.
I keep getting code 43
That is a knock sensor error. THe knock sensor can play with the ignition timing. Have you checked it?
Going to replace it will that cause my problem ?
It could be an issue.
Replaced knock sensor still have to hold gas to floor to start stays running till I hit the gas then stalls .
Smell of gas when driving,not all the time,some times after driving smells of gas coming from engine area,no leak noticed
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