Gas odor - need some diagnostic help! - Nissan Xterra Forum
 
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post #1 of 4 Old 02-25-2013, 02:40 PM Thread Starter
Gingerbloke
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Gas odor - need some diagnostic help!

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...

Exhaust leak? Fuel leak?

I am at a loss...

Thanks in advance!
JT

Coming soon:
[ ] Body trim paint
[X] mud flaps removed
[X] new tires
[ ] Bilsteins all around
[X] Resonator delete
[ ] PML W/UCA and upgraded torsion bars
[ ] HID Hi/Lo kit
[ ] Roof rack
[ ] Quest alternator
[ ] 02 S/C radiator swap

KCCO!

Last edited by Gingerbloke; 02-25-2013 at 09:03 PM. Reason: info
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post #2 of 4 Old 02-25-2013, 07:07 PM
cbxterra
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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.
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post #3 of 4 Old 02-25-2013, 09:11 PM Thread Starter
Gingerbloke
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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.

Coming soon:
[ ] Body trim paint
[X] mud flaps removed
[X] new tires
[ ] Bilsteins all around
[X] Resonator delete
[ ] PML W/UCA and upgraded torsion bars
[ ] HID Hi/Lo kit
[ ] Roof rack
[ ] Quest alternator
[ ] 02 S/C radiator swap

KCCO!
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post #4 of 4 Old 02-26-2013, 05:56 PM Thread Starter
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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?

Coming soon:
[ ] Body trim paint
[X] mud flaps removed
[X] new tires
[ ] Bilsteins all around
[X] Resonator delete
[ ] PML W/UCA and upgraded torsion bars
[ ] HID Hi/Lo kit
[ ] Roof rack
[ ] Quest alternator
[ ] 02 S/C radiator swap

KCCO!

Last edited by Gingerbloke; 02-26-2013 at 06:07 PM. Reason: info
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