Question about 1999 Pontiac Sunfire
I am having problems with my idle, it jumps from 1100rpm to 1800rpm up and down up and down, the only way it will change is if I put my foot on the gas, once I take my foot off it remains up and down again constantley. I have changed the iac, tps and the map sensor, also listened for vacuum leaks none found. Please can you help me I am at a wits end
Turn the ignition from of to on and count five seconds then turn it off and count 10 seconds and then restart the car sometimes this will reprogram the idle motor than you just replaced,
specially if during this process the yellow light blinks at the dash board
Posted on May 29, 2008
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Posted on Jan 02, 2017
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