Check engine light comes on intermittently...especailly when hauling a load.
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1999 Chevrolet Silverado 1500 Question: check engine light
Answer #1rdude135 April 09, 2009, 08:40Journeyman
There are many reasons why the check engine light comes on. Using a scanner is needed to pull the diagnostic code, and from there the system will have to be diagnosed.
Visitor, December 26, 2010, 00:21
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