A Loose or worn gas cap may cause Check Engine Light to illuminate.
Car Problem Reports
Chevrolet Equinox Check Engine Light Due to Gas Cap Issue
Chevrolet Equinox Problem
24 Reports
Model Years Affected: 2005, 2006, 2007, 2008, 2009, 2010
Average Mileage: 76,541 mi (37,000 mi - 180,000 mi)
Verified
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Visitor, 2006 Chevrolet Equinox, 68,000 mi
replaced gas cap myself with GM part - cost under $30
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Visitor, 2007 Chevrolet Equinox
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, 2007 Chevrolet Equinox, 40,000 mi
gas cap not sealing throwing engine lite on
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Visitor, 2005 Chevrolet Equinox, 80,000 mi
Gas cap will not tighten. Gas mileage has went down too. Gas may be evaporating.
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Visitor, 2008 Chevrolet Equinox
Gas cap does not tighten therefore causing check engine light to be on
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Visitor, 2006 Chevrolet Equinox, 180,000 mi
had engine light go on and cleared several times for a evap issue had the system purged and they could not find the leak and said it was so small and was suggested to change the gas cap.
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Visitor, 2008 Chevrolet Equinox, 37,500 mi
check engine light came on so I checked to see if gas cap was tight and it is broken just spins and will not lock into filler pipe
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