Car Questions
RepairPal is your advocate for car care advice and guidance

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.
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
In heat mode one day both vents are the same. The next day left hot, right cold, new acturator. The clicking noise wa...
check engine lite diagnosed as dirty air system. but system checked out ok. light came back on same day. i have been ...
Didn't find what you were looking for?