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2017 chevy silverado low fuel light

Luckily, to replace a gas cap isn't costly. If your check engine light turns on rapidly after you put gas in your 2017 Chevrolet Silverado 1500, first thing you should check is to make sure the cap isn’t loose — or that it's still on your car’s roof or at the fuel pump. Your 2017 Chevrolet Silverado 1500 has a vacuum leak.