Car Problem Reports

Chevrolet Cobalt Check Engine Light Due to Gas Cap Issue

Chevrolet Cobalt Problem
23 Reports
Me Too

Model Years Affected: 2005, 2006, 2007, 2008, 2009, 2010

Average Mileage: 82,107 mi (43,000 mi - 120,000 mi)


A Loose or worn gas cap may cause Check Engine Light to illuminate.

  • Visitor, , 84,000 mi

    check engine light is on.Digital display read "check gas cap" once and the check engine light wont go off.After I pump gas it takes 5 mins for my car to start. Found out that this was because its taking longer for the pressure to build back up in the gas tank.

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  •  Rookie

    check engine light comes on after gas cap indicator comes on and stays on

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  • Visitor, , 100,000 mi

    Same issue as everyone else... I have had so many issues i would never buy a Colbolt again

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  • Visitor, , 85,000 mi

    check engine light run great

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  • Visitor, , 43,000 mi

    Engine Light came on and Check Gas Cap message appears

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  • Visitor, , 117,000 mi

    Check engine light for loose gas cap. Turned out to be a leaking and cracked fuel pressuriztion device near the gas tank.

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