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Thread: Please help if you can lq4 swap

  1. #1
    Potential Tuner
    Join Date
    Sep 2020
    Location
    Dallas Texas
    Posts
    8

    Question Please help if you can lq4 swap

    2001 v6 Silverado
    Silverado p01 5.3
    motor 05 Yukon Denali xl lq4 6.0
    I copied an 02 2500hd tune over exactly and its running sounds good every thing worse but getting random miss fire and running lien i added 10% fuel and did not help ran ok on 5.3 stock p01 tune but got knock and lien not sure what to do last 1519597973 is the file from the repository
    Attached Files Attached Files

  2. #2
    Senior Tuner
    Join Date
    Mar 2011
    Location
    Ripley, MS
    Posts
    1,865
    Did you use the Write Entire option when you wrote the new OS?
    Are you seeing any misfires on the scanner? I don't see anything obvious in the datalogs that you posted. The additional fuel that you added to the VE table won't make much difference unless you switch it to SD mode.

  3. #3
    Tuner in Training
    Join Date
    Jun 2015
    Posts
    20
    May try a crank relearn.