What are the possible problems associated with the illumination of the Check Engine Lite.
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2002 GMC Sonoma Question: Check Engine Lite is on
Answer #1backyard tech November 27, 2009, 18:27Master
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 firstname.lastname@example.org
Replybackyard tech, November 28, 2009, 00:06Master
Can't help without a TROUBLE CODE
Answer #2fernando November 27, 2009, 23:40Master
Check out these articles in the RepairPal Encyclopedia;
Answer #3Visitor, April 12, 2010, 12:02
02 sensor front of catalytic converter or rear of converter.