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Why would the engine light come on but the car runs great?

(2005 Cadillac Escalade)
in Henderson, NV on March 18, 2010
engine light just came on
Displaying 2 answers & 0 comments
Popular Answer
on March 18, 2010
Check this article in the Repairpal's Auto Repair Encyclopedia; http://repairpal.com/check-engine-light
on July 29, 2010
Fuel cap could be loose. Tighten cap and drive for a day or two to see if light goes off.
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