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02-26-2021, 04:56 PM | #1 | |
AF Newbie
Join Date: Feb 2021
Location: Chicago, Illinois
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Gas fume smell coming from air vents
So I have been having this problem for a while now. Whenever I have the air or heat on in the car, the smell of gas fumes comes through the vents, it stinks really bad. It’s only when the ac/heat is off or its on recirculation that the smell doesn’t come through. Also, when standing outside even a decent distance away from the car this strong smell is noticeable. One other symptom is a loud humming towards the front of the car. Since this is most likely an exhaust problem, could it mean I have been breathing in carbon monoxide or basically huffing gasoline fumes? How toxic to the health of the driver/passengers is this car problem?
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02-26-2021, 08:03 PM | #2 | |
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Re: Gas fume smell coming from air vents
Please check the exhaust system and fuel system for leaks.
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02-27-2021, 08:10 AM | #3 | |
SHO No Mo
Join Date: Jun 2004
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Re: Gas fume smell coming from air vents
The smell of gas is different from the smell of exhaust. If you are smelling raw gasoline when the vents are pulling air from the base of the windshield, that likely means you have a fuel leak under the hood. That's very dangerous as there is a lot of heat under the hood and your car may catch on fire. That's very dangerous for the driver/passengers, bystanders, fire fighters, first responders, etc.
If you're smelling exhaust fumes, you likely have an exhaust leak somewhere under the hood as well (exhaust manifold, pre-catalytic converter, flex pipe, down pipe, EGR tube, etc.). This is also dangerous to the driver/passengers for the reason you mentioned. Either way, you know something is not right with the car and you should either get it fixed or stop driving the car. If it's a fuel leak, it may not even be safe to stop driving the car without getting it fixed. -Rod |
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03-19-2021, 09:21 PM | #4 | |
Specvgini
Join Date: Feb 2004
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Re: Gas fume smell coming from air vents
Cabin filter?
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2002 Mustang GT ( 4:10 gears, X pipe, cat back, CAI, Under drive pulley set, Intake plenum, throttle body, Tuned) 13.7@101mph https://youtu.be/btMHZeoZTS0 https://www.youtube.com/channel/UCeu...PX2WMqty2z4aPw 2015 Jeep renegade trailhawk 2017 VW Jetta TSI 1.8T |
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03-29-2021, 10:18 AM | #5 | |
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Re: Gas fume smell coming from air vents
I had this issue with a GMC Safari a while back.
When I replaced the "charcoal canister" . I think it filters the gases from the gasoline. |
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04-01-2021, 12:40 PM | #6 | ||
SHO No Mo
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Re: Gas fume smell coming from air vents
Quote:
-Rod |
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