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#1
09-29-2005, 09:57 AM
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f150 check engine light
the check engine light will come on after refueling, and goes out when gas is below 1/4 tank. The manual says it could be bad gas, the top is to securely on, or low fuel, but why does this keep happening over and over.
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#2
10-14-2005, 02:21 PM
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Has the gas cap been pressure tested lately? I'll bet its bad.
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#3
10-22-2005, 10:04 PM
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Re: f150 check engine light
check engine is mostly emissions. If you have a bad gas cap then it will trip the light.
__________________
ASE Master Certified before the age of 20 Current Cars: 2001 Chevy Silverado 1500 Z71 5.3L 1996 Acura Integra LS B18 1.8L Past Cars: 1990 Buick Estate Wagon 5.0L 1987 Chevy S10 2.5L Tec Four 1995 Pontiac Grand Am 2.3 Quad 4 1996 Jeep Grand Cherokee Limited 5.2L AWD 1991 Ford Tempo L 2.3L 1992 Buick LeSabre 3.8L 1997 Buick Century 3.1L 1996 Lumina APV GT 3.4L 2006 Ford Escape 3.0L XLT
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#5
12-07-2005, 10:05 PM
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Re: f150 check engine light
What year is your truck. If it is OBD I, the EVAP system will not set a code or light because of a leak in the system. The gas cap is part of the EVAP system so if your truck is earlier than 95, the cap will not be your light problem.
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