The check engine light is on the auto pArts place tested it and it said emissions problem. What could this be? He changed the air filter.
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2007 Ford Escape Question: My husbands check engine light is on
Answer #1G. T. Service Center (2335 Answers) , Stephenville, TX - (254) 638-3236ProfessorG January 08, 2014, 21:03Master
Without knowing the code I would assume it's in the EVAP system. Anything from a bad,(not sealing) gas cap, ta purge solenoid, vent valve, fuel tank pressure switch, loose tubing, vacuum canister. The system needs to be tested by a professional technician to find the issue. If by chance the car is left running while filling it with fuel will and can cause this code.