possibly a vacuum leak, low fuel pressure, or the idle air control has failed,
Check for vacuum leak or faulty EGR valve.
The idle on my 1995 Chevy Cavalier stays at 600rpm's when i check it with the scanner. Hope this helps BE SAFE dirt420ba
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The 2004 Chevrolet Cavalier idle air control valve can be found on the firewall in the engine compartment. The valve will be on the passenger side of the firewall.
The idle speed is set at the factory and is NOT adjustable.
spark plugs
replace the ecm
fuel pressure reg throttle position or ASD relay
You can not adjust the idle screw, it is sealed off at the factory. If you are having a high idle problem check for a vacuum leak or a bad idle air control valve. These will commonly cause a high idle.
Listed under the hood on a placard and in the owner's manual.
82 to 94 as per a haynes manual, auto trans: 700 rpm and manual:750 rpms.
I have a knocking noise near the water pump pully or idler arm pully on my 94 chevy cavalier 2.2 motor when its at idle, if i give it more gas the noise will go away do you know what this could be? i took off the tension idle pully and checked the bearing and it was fine.