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Thread: P0302

  1. #1
    Senior Member
    Join Date
    Jul 2003
    Posts
    764

    Thumbs up P0302

    OK just got a reading: The only code that came up was P0302.

    Cylinder 2 Misfire Detected

    So,
    do you guys think this would help:
    Checking the rubber boots?
    Replacing spark plug and wires?
    And worst case scenario change coil or injectors?

    Thanks guys

    UPDATE:
    Spark plugs look good, rubber boots not broken must be something else then


    The garage::.
    C 230 040 Blacked Out
    Mods: 18\" monoblock, koni lowering springs,Debadged,Black headlight inserts,Custom Puddle Lights, Pioneer P6600,Euro Plates,LED interior lighting

  2. #2
    In Charge
    Join Date
    Dec 2002
    Location
    Left Lane
    Posts
    4,534
    Switch the coil packs (swap #2 for #3) and see if the misfire comes up on #3. If it does, then you coil pack is bad.
    1998 C43
    1994 C280 (Retired)

    "Simplicity is the ultimate sophistication." - da Vinci

  3. #3
    Senior Member
    Join Date
    Dec 2002
    Posts
    256
    Originally posted by Denlasoul
    Switch the coil packs (swap #2 for #3) and see if the misfire comes up on #3. If it does, then you coil pack is bad.
    i've also heard that the wires go bad pretty often on the MB cars try replacing those, at least it wont cost the arm and a leg the coil packs do.
    AMG or nothing.

  4. #4
    the wires usually go bad on the 112 and 113 engines only. so you don't need to worry about them unless you got water down there. if you already switched the coil and the misfire stayed on the same cylinder, just replace the spark plugs and the boots like you originally intented. the plugs are cheap and the boots under the coils can be bought seperate. you don't need the whole wire set unless you haven't replaced the wires in a long *ass* time. then it might be a good idea.

    i replace wires, boots, and plugs every year but i an very anal when it comes to maintance on my cars!

    Jason
    Jason

    2006 BMW 525XI (Silver Gray Metallic)
    -----------------------------------------------
    1995 C280 (Smoke Silver Metallic) - 348,900 Original Miles - SOLD March 2010
    1988 Saleen Mustang - 1 Of Only 17 - 50,514 Original Miles - SOLD June 2009


  5. #5
    Senior Member
    Join Date
    Nov 2004
    Posts
    1,757
    Originally posted by 1995c280
    i an very anal when it comes to maintance on my cars!
    yeah, I wish my girl would get anal once in a while



    nenad
    2002 S500
    2002 CLK430 w/ 5.5L swap
    2002 SLK32 AMG
    2003 S430 w/ 5.0L swap
    2000 ML55 AMG

  6. #6
    mazdalowandslow
    Guest
    oh man.. that was totally unneeded.. hahah ^

  7. #7
    Originally posted by jnenad16
    yeah, I wish my girl would get anal once in a while



    nenad
    LMAO, haha!!!!!!!!!!!!!!
    Jason

    2006 BMW 525XI (Silver Gray Metallic)
    -----------------------------------------------
    1995 C280 (Smoke Silver Metallic) - 348,900 Original Miles - SOLD March 2010
    1988 Saleen Mustang - 1 Of Only 17 - 50,514 Original Miles - SOLD June 2009


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