service engine soon light always on in my 2002 yukon denali

105

Asked by Sep 06, 2010 at 12:35 AM about the 2002 GMC Yukon Denali AWD

Question type: Maintenance & Repair

2 Answers

40

sound like your 02 sensor is out. that the sensor that tell your car how much oxygen mixture it needs.bring it to a TRUSTED mechanic to diagnose. parts cost $118. u can do it yourself.

2 out of 2 people think this is helpful.
105

yeah i found the proplem thanx man but i will try to clean the sensor by my self maybe that will work

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