Car Problem Reports

Chevrolet Equinox Check Engine Light Due to Gas Cap Issue

Chevrolet Equinox Problem
43 Reports
Me Too

Model Years Affected: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013

Average Mileage: 72,142 mi (16,987 mi - 180,000 mi)


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

  • Visitor, , 68,000 mi

    replaced gas cap myself with GM part - cost under $30

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  • Gas cap throws on Engine Light....purchased an after market cap, light came back on. Problem resolved with a cap ordered from a Chevy Dealer for the exact year, make and model......light never came back on.

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  • Visitor, , 100,000 mi

    Engine light coming on and every time we take it to dealer the say is faulty gas cap. Replaced and is ok for about a year and then light comes on and cap is loose and will not tighten. I replaced two since purchasing new in 2007. Is there a better cap I can purchase I have always bought from dealer.

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  • Visitor, , 58,000 mi

    Received several messages about the gas cap being loose. Tightened it every time. Then the Check Engine light came on due to loose gas cap. Took it to the dealer. They replaced the gas cap. Check Engine light came on again about a week later. Dealer replaced a valve in the fuel system. Picking the car up today, so don't know if that will be a permanent fix or not.

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  • Visitor, , 68,100 mi

    The light comes on only when it is extremely cold.

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  • Visitor, , 40,000 mi

    gas cap not sealing throwing engine lite on

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  • Visitor, , 17,500 mi

    light came on about a month ago then put gas in and it went off. Just the other day it came on again. Not very many miles for this to happen.

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  • Visitor, , 44,000 mi

    Check engine light is coming on.

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  • Visitor, , 51,000 mi

    My check Engine light would come on and then after I place gas goes off for about a week and back on.
    My car in shop was told I needed to replace the fuel tank sensor pressure replace alone with the injection
    Cleaning . Told my cost will be $670.00 plus.:( Car in shop at dealer on Monday, today Friday, I have not heard from them,Placed a call waiting for call back.

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  • Visitor, , 108,480 mi

    This is my third time having to replace gas cap seems to me there must be some kind of defect with gas caps

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