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Check Engine Lite is on

(2002 GMC Sonoma)
in South Bend, IN on November 27, 2009
What are the possible problems associated with the illumination of the Check Engine Lite.
Displaying 3 answers & 1 comments
Popular Answer
on November 27, 2009
Check out these articles in the RepairPal Encyclopedia;
on November 27, 2009
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
on November 27, 2009
Can't help without a TROUBLE CODE
on April 12, 2010
02 sensor front of catalytic converter or rear of converter.
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