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4.0 misfire

Discussion in 'Wrangler TJ (1996-2006)' started by 1Newbie, May 7, 2022.

  1. May 7, 2022 at 1:47 PM
    #1
    1Newbie

    #1
    1Newbie [OP] New Member

    Joined:
    May 7, 2022
    Member:
    #6444
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    Male
    Vehicle:
    2005 wrangler x 4.0
    31” tires
    I have a 05 wrangler 4.0. Newest issue is a misfire code. P0305 p2096 p2098. I changed coil. Nothing. Changed #5 injector. Nothing. Still missing like a dead cylinder. Prior to this I’ve been battling lean codes on all o2. I have changed them all.
     
    1Newbie, May 7, 2022
    #1
  2. May 22, 2022 at 11:54 PM
    #2
    Groundfault

    #2
    Groundfault Well-Known Member

    Joined:
    Jul 4, 2021
    Member:
    #5769
    Messages:
    120
    Gender:
    Male
    First Name:
    Tim
    Vehicle:
    87 Wrangler, kind of...
    5.7 V8 with Whipple Supercharger, TH350 w/B&M Shifter, NP205 TC, Dana 60 front 4.56, GM 14 bolt 10.5 rear 4.56, 4 wheel discs, Bilstein shocks, 6" lift on 37's, Autometer gauges, all led lighting and a few other things.
    I'd check cylinder compression to see if #5 is low and do a vacuum leak down test. Sounds like you've already changed all the likely suspects.
     
    Groundfault, May 22, 2022
    #2
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