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One of the control devices is malfunctioning on the engine, and it needs to go to a shop for repairs. Simple things first though. If the light just came on, check to make your gas cap is on correctly, leaving it loose will cause the check engine light to come on. The light will reset itself after awhile of normal driving. If it does not have your local autopart store or shop read the code. That is the simplist way. Does the engine sputter while driving? That is an electrical problem with the spark plugs not firing when they should or not at all. Change the wres and plugs, check timing. That is what happened to mine

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โˆ™ 2007-12-21 17:42:35
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Q: What causes the check engine light to stay on in a 1999 Daewoo Lanos?
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