If engine light came on do to leaving gas cap off will this reset itself

Asked by Oct 25, 2015 at 08:28 AM about the 2006 Porsche Cayenne S Titanium Edition

Question type: General

Filled tank went 14 miles engine light came on put cap on went another 14
miles light still on.

5 Answers


If it does not go out, it will need to be reset by an analyzer...

1 of 1 people found this helpful.

It will go out just give it time

1 of 1 people found this helpful.

Usually resets after driving 50 miles. If not you will need a scan tool to reset it.


It will go out once the computer has run the diagnostics on the EVAP system. For that to happen the gas tank must be between 3/4 and 1/4 full. No more and no less. Depending on how much you drive it could take up to a week. HTH. -Jim


start and stop the engine two or three times and it may go out

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