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Thread: 95 Impala SS 0411 4L80 swap issues

  1. #1
    Potential Tuner
    Join Date
    Jun 2007
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    TN
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    95 Impala SS 0411 4L80 swap issues

    Working on a friends 95 Impala SS has a 0411 computer and OS from a 02 Camaro. 4L80E swapped and programming from PCM for less. Engine runs fine but keeps throwing 0740 and 0785 4L60 specific codes going into limp mode and shifts into final immediately. Segment swap was done by PCM for less. Harness was repined. I can remove 0740 codes but will not let me take out 0785. When we drove it with the 0740 deleted but 0785 it went straight into lockup as soon as drive was engaged and ended up blowing the front seal out. Any ideas where to look?
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    Last edited by Slims00ls1z28; 2 Weeks Ago at 05:36 PM.