I have a 92 GMC Yukon that was stalling when you put it into drive or reverse please replace the o2 sensor because of a code 44 for obd1 air check for vacuum leaks now runs the same with or without it

James Peel

Asked by Sep 15, 2015 at 10:59 PM about the 1992 GMC Yukon SLE 2dr 4WD

Question type: Maintenance & Repair

1 Answer


Try cleaning the throttle body with a good cleaner such as CRC, and add some good fuel treatment...

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