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Why'd I even bother with new plugs.

Discussion in '1st Gen. Tacomas (1995-2004)' started by Ironworker84, Mar 14, 2023.

  1. Mar 14, 2023 at 7:29 PM
    #1
    Ironworker84

    Ironworker84 [OP] Well-Known Member

    Joined:
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    First Name:
    Eric
    Vehicle:
    2001 White Tacoma 4X4
    https://photos.app.goo.gl/xCLwZzQg1hCYWuNn8

    Changed out my plugs to some iridium's with the supercharger. Removed the valve covers and cleaned them up as well. Installed everything back to how it was. Went to start it and pow. You can hear it in the video. Turned the key and now it just cranks. Compression test is 120 for cylinders 1,2,3, and 5. And 105 for cylinders 4 and 6. I know I gotta check spark and fuel next but anyone have any input on what the hell happened.
     
  2. Mar 15, 2023 at 2:48 PM
    #2
    Jakuku Pahwheenis

    Jakuku Pahwheenis i provide useless forum contributions

    Joined:
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    J Phoenix
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    2003 Xtracab 2.7L 3RZ-FE 4x4 manual 245K+ miles
    That compression is too low across the bank. Check your valve shim clearances, adjust and see if it don’t raise the compression.
     

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