When the service engine light comes on what is the problem with the truck? on 2001 Chevrolet Silverado 1500 HD

what are the codes?

by in Sanger, CA on December 28, 2012
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1 answer 1 comment
ANSWER by , December 28, 2012
You will have to have a scan test performed to find out! Then post the code numbers (exactly) and we may be able to help. AutoZone/Advance Auto can do this for free. Or go to a repair shop where a mechanic can look at the vehicle after test. Even if you post codes gathered from a free test, we will still be guessing at the actual problem!
COMMENT by , December 29, 2012
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