Gas Cap
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Joined: Aug 2006
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RE: Gas Cap
Shawn,
Not really an evolution, the message "TIGHTEN GAS CAP" will display if the tank fails the pressure test even if it is caused by a faulty sensor or seal, but that is very rare, 99.9% of the time it is a loose gas cap.
The DIC message came about due to the fact that a vast majority of the SES lights triggered were caused by loose gas caps; GM engineers came up with this message to save customers a trip to the dealership only to be told the gas cap was not tight.
Not really an evolution, the message "TIGHTEN GAS CAP" will display if the tank fails the pressure test even if it is caused by a faulty sensor or seal, but that is very rare, 99.9% of the time it is a loose gas cap.
The DIC message came about due to the fact that a vast majority of the SES lights triggered were caused by loose gas caps; GM engineers came up with this message to save customers a trip to the dealership only to be told the gas cap was not tight.
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