WON'T RESOND ABOVE ROUGH IDLE, THROTTLE TO THE FLOOR

1994 Chevrolet Cavalier

Tiny

rndotson65

June, 21, 2012 AT 7:21 PM

1994 Cavalier 2.2L 4 cyl. Manual trans. When I start it, I have to have gas pedal floored & keep it there or it won't stay running. Runs at a rough low idle. Some days I can get it to run (gas pedal released) idle a bit rough, but it will respond to pressure on pedal. I drove it down to the mailbox & back ( about 2 blocks) & it goes back to above mentioned response. Any ideas? Thank you for any help.

FOUND 2447 RELATED QUESTIONS

2 Answers

Tiny

ASEMaster6371

June, 21, 2012 AT 7:29 PM

Sounds like the cat converter is blocked and needs to be replaced. It can be confirmed with a back pressure test.

Roy

Tiny

renegade65

January, 4, 2013 AT 12:44 AM

Remove any deposits that might prevent a good seal between the IAC valve

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