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Chevrolet S10 Check Engine Light Due to Gas Cap Issue

 
Chevrolet S10 Problem
32 Reports
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Model Years Affected: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004

Average Mileage: 89,776 mi (47,000 mi - 183,000 mi)

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Illumination of the Check Engine Light may be the result of a loose or worn gas cap.

  • Visitor, , 78,000 mi

    "service engine soon" code-303 (missfire on no three cylinder)- light keeps comeing on and after I drive it for a few days it goes off then the same again in a few days. I've changed vaccum line;s under the hood. putnew spark plugs & wireing, new coil, & new GM gas cap,- the only thing I haven't checked is the vaccum lines to canister and canister

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  •  Rookie

    Engine light on, test meter code shows evac. Changed gas cap and didn't go off. What next.

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  • Visitor, , 67,000 mi

    Local AutoZone found the problem/ new gas cap resolved the check engine light!

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  • Visitor, , 80,000 mi

    check engine light came on, got the code ran..came to be emissions code...put a new cap on a never seen the light again

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  •  Rookie

    Tightened the cap?

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  • Visitor, , 62,000 mi

    REPLACED GAS CAP

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  • mwood, , 130,000 mi
     Enthusiast

    Check engine light came on just before the inspection was due. Had the code read. The guy at the parts place recommended replacing the gas cap first. It did the trick.

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