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1993 Buick Lesabre Repair Question


Topics covered: Body, Sensor, Throttle body.
Mileage: 180,000 miles.

Asked on August 13, 2012

Engine has high idle when started for the first time of the day about 50% of the time

There appears to be no vacumm leaks, cleaned the throttle body, replaced iac motor, still idles high on first start, doesn't idle high on any later starts, thanks, John

Answer

Replied on August 13, 2012

Test the throttle position sensor closed and WOT voltages

Tiny Answered by rasmataz
68 questions asked