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13/02/2021 5:04 pm
Topic starter
I have a 2005 Mercury Grand Marquis, 380,000 miles and still running great. Around the 300,000 mile mark we started smelling gas fumes inside the car when the vent/heater/Air Cond was running. When I raise the hood I can also smell fumes. I have checked the gas cap, no issues with it and no check engine codes. I can't see any leaks, and the mpg is about the same. What else can I check?
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13/02/2021 5:39 pm
Does this vehicle have a carbon canister as part of the emission control system? If so, it's probably contaminated and needs replacement.
