check engine light


Old 07-13-05, 08:41 PM
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check engine light

I have a 2000 ford focus zx3 and in the past 2 months the check engine light has come on repeatedly and everytime its because of the gas cap not being on tightly. After it happened the first time I made sure it was on very tightly after i filled up and it still comes on. I think i need a new gas cap but does anybody have any different suggestions? even guesses would be greatly appreciated.
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Old 07-13-05, 10:14 PM
Join Date: Oct 2004
Location: Florida
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At least check the error code.
Old 07-14-05, 09:32 AM
Bubba Bob
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Someone else with a similar problem.
Old 07-23-05, 08:07 PM
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Last time I had a problem like this it was the gasket or seal on the cap. sometimes you screw the cap on and it rips the gasket. I guess the gas tank needs to be under pressure, and if the gasket is leaking that is what causes the light to come on. Not to of an expensive fix.

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