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95 3.0 misfire issue

Discussion in '2nd Gen 4Runners (1990-1995)' started by jds94, Oct 28, 2014.

  1. Oct 28, 2014 at 9:32 PM
    #1
    jds94

    jds94 [OP] New Member

    Joined:
    Oct 28, 2014
    Member:
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    I've already changed the plugs wires cap rotor it still has a misfire could it be an injector or timing?
     
  2. Oct 30, 2014 at 8:25 AM
    #2
    Utah

    Utah Misanthrope

    Joined:
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    First Name:
    Kevin
    Land of Fake Beer
    Vehicle:
    The Gray Bastard
    3RZ, OME, 5.29s, 4.7, locked/locked
    It could. Check your compression and verify your harness grounds too.

    Is it just one cylinder, or random?
     
  3. Dec 10, 2014 at 2:03 PM
    #3
    garedog

    garedog New Member

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    Gender:
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    First Name:
    Gary
    Vehicle:
    1994 white(soon to be flat black) 4Runner
    31" mudders. Optima battery
    I have the same problem on my 94. But my misfires at random. I think timing is off but not sure. It did help when I went to better spark plugs (bosch irrideum plugs)
     
  4. Dec 11, 2014 at 10:56 AM
    #4
    Utah

    Utah Misanthrope

    Joined:
    Jul 31, 2014
    Member:
    #213
    Messages:
    194
    First Name:
    Kevin
    Land of Fake Beer
    Vehicle:
    The Gray Bastard
    3RZ, OME, 5.29s, 4.7, locked/locked
    Try NGKs or Densos and not the fancy ones. Lots of guys fix misfires by going back to oem plugs.
     
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