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Severe Misfire 3.4L

Discussion in '1st Gen. Tacomas (1995-2004)' started by Tacoman8081, Jan 27, 2023.

  1. Jan 27, 2023 at 12:44 PM
    #1
    Tacoman8081

    #1
    Tacoman8081 [OP] Active Member

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    2002 Tacoma
    Hello, I was driving down the road the other day and got a flashing light. Scanned codes and got P0300, P0301, and P0302. Changed the plugs and I ruled out the coils because 1 and 2 cyl don't share a coil. Was going to test injectors next. Does anyone have ideas about what else I should do?
     
    Tacoman8081, Jan 27, 2023
    #1
  2. Jan 27, 2023 at 12:45 PM
    #2
    HondaGM

    #2
    HondaGM Call sign Monke

    Joined:
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    First Name:
    James
    South-Pole, Alabama
    Vehicle:
    2023 access cab V6
    Coolant low?
     
    HondaGM, Jan 27, 2023
    #2
  3. Jan 27, 2023 at 12:49 PM
    #3
    NobDriver

    #3
    NobDriver Well-Known Member

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    Brandon
    Vehicle:
    2015 TRD OR
    Curious how many miles?
     
    NobDriver, Jan 27, 2023
    #3
  4. Jan 27, 2023 at 1:02 PM
    #4
    JKO1998

    #4
    JKO1998 Well-Known Member

    Joined:
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    Utah
    Vehicle:
    Silver 07 4.0 V6 4X4 Cement 18 3.5 V6 4x4
    Change the wires too?
     
    JKO1998, Jan 27, 2023
    #4
    Andy01DblCabTacoma likes this.
  5. Jan 27, 2023 at 1:09 PM
    #5
    Tacoman8081

    #5
    Tacoman8081 [OP] Active Member

    Joined:
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    2002 Tacoma
    around 260k
     
    Tacoman8081, Jan 27, 2023
    #5
  6. Jan 27, 2023 at 1:11 PM
    #6
    Tacoman8081

    #6
    Tacoman8081 [OP] Active Member

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    nothing in the reservoir but never overheated I've had a small leak from the radiator but I've just been adding till I get time to fix it
     
    Tacoman8081, Jan 27, 2023
    #6
  7. Jan 27, 2023 at 1:11 PM
    #7
    Tacoman8081

    #7
    Tacoman8081 [OP] Active Member

    Joined:
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    wires are fairly new.
     
    Tacoman8081, Jan 27, 2023
    #7
  8. Jan 27, 2023 at 1:18 PM
    #8
    HondaGM

    #8
    HondaGM Call sign Monke

    Joined:
    Oct 28, 2009
    Member:
    #25056
    Messages:
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    First Name:
    James
    South-Pole, Alabama
    Vehicle:
    2023 access cab V6
    I would do a leak down on #1 and #2 first
     
    HondaGM, Jan 27, 2023
    #8
    Tacoman8081[OP] likes this.
  9. Jan 27, 2023 at 2:08 PM
    #9
    Andy01DblCabTacoma

    #9
    Andy01DblCabTacoma Well-Known Member

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    Andy
    San Diego, CA
    Vehicle:
    01 Double Cab v6 4x4 TRD
    F: Kings SPC, R: 5100s+J59s. Custom armor.
    Try swapping the coil anyway. for sure can't hurt.
     
    Andy01DblCabTacoma, Jan 27, 2023
    #9

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