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Thread: OT General Engine / Exhaust Smell

  1. #1
    Join Date
    Mar 2007
    Location
    San Francisco
    Posts
    43

    Default OT General Engine / Exhaust Smell

    Thought I'd consult the Bimmer gurus instead of the "look at this body kit" forum for my daily driver, a 97 Camry 4 Cyl.

    Stupid car sucks. But I digress. When I start it up, a notice a puff of smoke, and it smells kinda funny, like acrid. Burning oil maybe?

    Then when I'm driving, it surges, but not consistently as if one cylinder is dead. it's noticeable, but not consistently noticeable, as if cyl 3 were misfiring.

    Any clue from you who've worked on an engine / near failing engine?

    I'd throw money in a Bimmer, not a camry.
    _______________________________
    1990 535iA Glacier Blue Metallic 114k

  2. #2
    Join Date
    Dec 2003
    Location
    Eastern Tennessee USi
    Posts
    14,839

    Default

    I love the smell of Nikasil in the morning....

    Maybe you are smelling a bit of oil and antifreeze?
    95 E34 530I V2.37
    ===========
    Those who make peaceful revolution impossible will make violent revolution inevitable.

    John F. Kennedy

  3. #3
    Join Date
    Feb 2004
    Posts
    4,894

    Default

    Change spark plugs and see what are the condition of the old plugs. Then I would check the spark plug wires for resistance... they should all be the same at whatever specified on the plug end... with the omega symbol.

    Your car has a sensor on the 6th plug... and is very important... alot of time when this failed, car runs erratically. Maybe this is the problem you have.

  4. #4
    Join Date
    Oct 2005
    Posts
    518

    Default

    Smoke types and smells:
    Antifreeze smoke - white. Smells sweet.
    Oil smoke - blue. Smells like burned oil...hard to describe.
    Rich mixture - black or gray smoke. Smells like rotten eggs.
    Lean mixture - no smoke. Don't know what it smells like.

  5. #5
    Join Date
    Apr 2006
    Location
    Chicago, Il. U.S.A.
    Posts
    4,243

    Default

    Over advanced ignition timing will make an awful smell. Not sure if timing is likely to get that far out on a modern car but just a thought, and a bump.
    "The gas pedal wouldn't go to the floor if it weren't meant to be there"

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