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Fuel Sensor


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Fuel cap sensor keeps the check motor light on???? Took the car in to the dealership they tightened the fuel cap...said it would be ok.....light came on again a little while later.......we're due an emissions test soon so any advice appreciated........have already tried tightening the fuel cap......

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A loose gas cap will turn on the check engine light. If the cap is loose gas vapors are leaking & when this is detected the check engine light turns on. If the light came back on maybe the gas cap gasket is worn & it's still leaking or you may have something going on. Have the dealer recheck for trouble codes to determine what the problem is. You can't get the emissions tested unless the light is turned off.

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