Question about 1996 Chevrolet Cavalier

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1996 cavalier running rough at idle

Running rough at idle and runs great while driving. have cleaned throttle body and ran higher octane gas. Now the engine light is on and problem is still there.

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Check the fuel pressure regulator, mine broke the diaphram and was dumping fuel in it

Posted on Jun 20, 2009

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Check or change your map sensor

Posted on Dec 14, 2010

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2002 Cavalier starts then dies. Started about 1 week ago. Let sit overwrite started fine next afternoon. Ran great for several hrs. Started dying again. Replaced fuel filter, Ran great for a day. Now it...


Had a 89 cavalier did that start then die it map sensor. Also check ground wires if the become too corroded they won't start sometimes just run weird

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No to the high octane gas. Regular gas is fine. Higher octane gas is more resistant to ignition and is better suited for high compression engines to prevent preignition and detonation. Check or replace your idle air control valve since the car stall at idle when the throttle blade is closed. If the IAC is not working it won't allow for air to bypass the throttle plate. Also have your throttle body cleaned.

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Clean ur throttle body takes 30min cleaners only 8$ at aurozone and there good how to videos on you tube my truck always had rough idle bur got to wear if I stopped withoit my foot a little on the gas it woild die it had me worried but cleaned thrortle body it runs perfect

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How do you clean a throttle body on 1999 s70?


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My daughter has a 1996 cavalier 2.2l and it has a rough idle like a lug sound it runs fine and everything sounds great going down the road but just when it idles its a bit rough We changed the fuel pump in...


The fuel filter is only about 5 bucks worth of work/material. Most of the time you have to get 3/8 fuel line and clamps and a filter with male adapters and just cut out the old one. But it's still a 20 minute job. Also try some dry gas or fuel treatment. If you change it and it's still acting up I think a Vacuum leak or a weak coil is the culprit. Hope this helps.

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