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Thread: Crank relearn issue on 4.8 2003 silverado

  1. #1
    Advanced Tuner
    Join Date
    Jun 2018
    Posts
    609

    Crank relearn issue on 4.8 2003 silverado

    Anyone else have an issue using the crank relearn feature? We did a 4.8 swap on a V6 Silverado and its all finished except it needs a crank relearn. It says to rev till it stops but it red lines before it cuts out. Usually at 4k right? Any ideas?

  2. #2
    Senior Tuner
    Join Date
    Mar 2011
    Location
    Ripley, MS
    Posts
    1,865
    Post your tune when you get a chance.