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Thread: Gasoline smell?

  1. #1
    Jr. Apprentice 08LT3Suburban's Avatar
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    Dec 2008
    Location
    Apex,North Carolina
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    11

    Question Gasoline smell?

    We bought our son an '02 Tahoe LT 4X4 with the 5.3 as his first car and now the truck smells like gasoline?The grille area and driver side of the engine area is where the odor is at its worst.the exhaust and passenger side also have a faint gas odor.the truck is not leaking in the driveway and the inside doesn't smell while driving.there are no lights on in the dash and the truck is not smoking?it snowed here in NC yesterday and no one noticed the stench before the snow.
    Jim-NC
    2008 Chevy Suburban LT3 4WD(Loaded-DVD,Nav).
    2007 Acura TL 31,500miles

  2. #2

    Default

    Two general sources of gasoline smell I can readily think of: Fuel system or EVAP system. If it were me, I'd probably locate the fuel lines and then do my best to trace them to see if they are leaking somewhere. Tracing the EVAP lines won't be as straightforward, because they carry gasoline vapors, and it's harder to see vapor leaks.
    '98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
    '92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
    "My toys were the greasy cogs and springs and pistons that lay around all over the place, and these, I can promise you, were far more fun to play with than most of the plastic rubbish children are given nowadays." Danny in Roald Dahl's Danny The Champion of the World

  3. #3
    Legend

    Join Date
    Feb 2008
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    Red Wing, Minnesota, United States
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    Default

    the charcoal canister is on the drivers side up by the radiator most likely, mine got that smell it came and went on its own and hasnt been back for 7 months now, sorry cant be of more help
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual
    285/75/16
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    Jason

  4. #4

    Default

    I had these symptoms on my 2000 Silverado. It is possible that the diaphragm has ruptured on your fuel pressure regulator. This will suck raw fuel through the engine, thus, increasing fuel consumption, produce a gas smell under the hood and a terrible exhaust odor.

  5. #5
    Jr. Apprentice mr_brixs's Avatar
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    Nov 2008
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    Toronto Canada
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    hey guys i just bought a 02 yukon and my engine light came on and the next day i kinda smell gas inside.. so me and my dad got it check and symptom that the mech find is my evap sensor.. mech said its not a major prob but when i'm going to get emission i have to fix it... hope this help

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