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Do I need a crank sensor relearn?

This is a discussion on Do I need a crank sensor relearn? within the Computer & Tuning forums, part of the LSx Technical Help Section category; I just COMPLETELY rebuilt my motor. New crank, cam, rods, pistons, etc...I am awaiting a tune because it stalls. Anyways. ...

  1. 10-10-2007, 12:30 PM #1
    TransAmcoupe98
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    Do I need a crank sensor relearn?

    I just COMPLETELY rebuilt my motor. New crank, cam, rods, pistons, etc...I am awaiting a tune because it stalls. Anyways. A dealer said I will need A crank sensor relearn since I pulled the motor or it will throw misfire codes. Is this true?
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  2. 10-10-2007, 01:06 PM #2
    2001NBMZ28
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    Thinking that's correct - is the car throwing codes? Could throw random misfire or a CKP code.
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  3. 10-10-2007, 01:19 PM #3
    TransAmcoupe98
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    It hasn't ran long enough to get a good read on it. Mind you I dont have a dialed in tune yet so I have to get it tuned before it will idle on its own because of the after market cam
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  4. 10-10-2007, 02:33 PM #4
    2001NBMZ28
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    P1336 should throw right away. www.gearchatter.com/viewtopic8668.php
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  5. 10-10-2007, 06:07 PM #5
    sreve
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    if it doesnt dont worry be happy
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  6. 10-11-2007, 03:13 PM #6
    TransAmcoupe98
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    Just got a basic tune, I read on the website you just gave me hat if the pcm has been reprogrammed(tuned), you dont need a crank relearn...True?
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  7. 10-13-2007, 10:11 AM #7
    edcmat-l1
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    Quote Originally Posted by 2001NBMZ28 View Post
    P1336 should throw right away.
    ^^^What he said......
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  8. 10-13-2007, 10:12 AM #8
    edcmat-l1
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    Quote Originally Posted by TransAmcoupe98 View Post
    Just got a basic tune, I read on the website you just gave me hat if the pcm has been reprogrammed(tuned), you dont need a crank relearn...True?
    Alot of people/tuners turn that code off. Does not interfere with the performance of the vehicle what so ever.
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