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Dash warning for gas cap

Tiny
PATRICK4343
  • MEMBER
  • 2003 FORD MUSTANG
  • 150,000 MILES
I already replaced the gas cap with a new one, but the warning light still on. A friend said something about a vent on the gas tank " tricking " sensor into indicating gas cap is still culprit.
Monday, March 7th, 2016 AT 1:02 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The gas cap is only one possible cause of that codes. The issue is that the tank system is not sealed good and it's failing the leak test. What they have to do to find the leak is a smoke test.
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Monday, March 7th, 2016 AT 1:18 PM

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