2002 GMC Sonoma Q&A

2002 GMC Sonoma Question: Check Engine Lite is on

What are the possible problems associated with the illumination of the Check Engine Lite. -
Answer 1
Go to a Advance or Autozone parts house and ask them to code out the computer. Ask for the code numbers. e-mail me at swaths3644@mypacks.net -
Comment 1
Can't help without a TROUBLE CODE -
Answer 2
Check out these articles in the RepairPal Encyclopedia; http://repairpal.com/check-engine-light http://repairpal.com/check-engine-light-diagnostic-assistant -
Answer 3
02 sensor front of catalytic converter or rear of converter. -
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