I dont know if I knocked something loose playing in the snow or what - but I now have a fairly strong gas smell coming in through my vents when running my heater. I don't seem to notice it as much with just the fan on. It is strongest when I am stopped, and goes away almost entirely when moving. I have not seen fuel pooling on my garage floor, nor have I seen anything loose under the hood, or noticably broken or loose underneath. Granted, the water and muck from the melting snow on my garage floor has hampered my inspection efforts a bit...
something you have to track down quick. fuel leaks are dangerous [fire hazard]. It should be easy to see [smell] if you crawl underneath. wherever you see the pool- there's the problem.
No fuel pooling yet...and I only smell it when its running. I pride myself in being able to troubleshoot almost anything and fix it, but this has me stumped right now.
Starting to wonder if it isn't just running rich... Replaced the plugs, wires, cap and rotor today (that #6 plug can suck a fart outta duck's butt) and had the battery disconnected the whole time - 45 mins or so. Was hoping to reset the ECU by doing this. Also plugged the hole in my muffler with epoxy putty, thinking I was getting exhaust in the cabin. Started the truck - no gas smell. drove around a little, no smell. Drove to work, about 11 miles at 60ish mph, truck smelled like gas when I stopped. WTF over?
Sounds like you might have an exhaust manifold leak. Having the air recirculate should help decrease the scent until you ascertain where exactly the leak is.
I did also remove the ceiling upholster....going to put on some sound deadener and such....I think ambient/outside smells are getting in easier now as a result
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