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1997 Isuzu Trooper Question: intermitten check engine lite



, SOHC, Virginia Beach, VA, April 12, 2010, 15:20

Check engine light goes off and comes on and it seems to be related to when I put gas in the car. (Not always but too many times to be a coincident). Any ideas on how my putting gas in the car can affect the check engine light going on or off?

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  • Answer #1

    April 12, 2010, 20:07

    The engine light alert you about a fault in the emission control system, the gas cap not closed properly could cause the Check Engine Light to go off. To better troubleshoot the problem I would recommend you to retrieve the diagnostic codes stored on your vehicle's computer.

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