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Thread: Help!! DTC'S after exhaust install

  1. 08-06-2007, 23:54 #1
    chadc30
    chadc30 is offline Enthusiast
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    Default Help!! DTC'S after exhaust install

    I installed a turbo back system on my 04.5 and immediately got the "Shift range inhibited" along with several DTC,s some being ,"mass airflow unit and exaust gas circ selinoid. I have had the Kennedy EGR block plate for several months and no codes till now. This is a FE9 model not CA. Any help would be appreciated. Thank You, Chad
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  2. 08-08-2007, 21:25 #2
    Duramaster's Avatar
    Duramaster
    Duramaster is offline GMC World Class Technician
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    Question

    Not enough restriction in the exhaust?
    1998 Chevy k-2500 454 147,000 miles and climbing!

    1993 Pontiac G/A Big Block 3.3 Liter 140,000 miles and still going too!
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  3. 08-08-2007, 23:32 #3
    chadc30
    chadc30 is offline Enthusiast
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    Default shift inhibted

    Electrical plug going in to Trans got disconnected during install. Plugged in and removed blocker plate and no more codes.
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