2001 Mustang Bullitt fuel cap light. - Ford Mustang Forum
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post #1 of 2 (permalink) Old 04-20-2011 Thread Starter
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2001 Mustang Bullitt fuel cap light.

I have a 2001 Mustang Bullitt and the fuel cap light keeps coming on and off. The first time it came on I did some research, I simply had to buy a new fuel cap because the one way valve went bad. This was 3 weeks ago. Now it has come on again and I do not believe that the cap is bad already. Does anyone know what might be causing this. Thanks for the help.


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post #2 of 2 (permalink) Old 05-10-2011
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You may have a bad seal on the tank somewhere. The light is part of the fuel pressure system and it thinks the tank is loosing pressure.

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