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Q: Check Engine Lite is on on 2002 GMC Sonoma

What are the possible problems associated with the illumination of the Check Engine Lite.
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Check out these articles in the RepairPal Encyclopedia;
http://repairpal.com/check-engine-light
http://repairpal.com/check-engine-light-diagnostic-assistant
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
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