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Thread: Crank position code

  1. #1

    Crank position code

    well driving home from out eating i got a check engine light, got home and plug it in, well its telling me that i have a crank position code. Well tried to clear it but came right back on once the truck started. So reading a little info on it im thinking is the crank position sensor and it needs to be replaced. so if any one has info on this please let me no.

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Anyone near you with HPTuner software can do it or a GM technician with a TechII can fix it. Its a permanent thing that cannot be reset, it has to be set.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Well my truck was tuned with a hptuner and y would it just go through a code, i thought it would be a bad sensor, am i wrong.

  4. #4
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Just because it was tuned with HPT doesn't mean the position sensor is calibrated. Every sensor to reluctor location is different, sometimes they're close enough to pass but other times they're way out of location. You need someone to set the CPS with the tune in the truck so its set to your specific setup.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  5. #5
    well would this just happen out of the blue i got my tune a 1000 miles ago.

  6. #6
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Did your battery go dead or get disconnected?
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  7. #7
    nope, really just came out of the blue so thats y im leaning toward the bad sensor.

  8. #8
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
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    that or you burned a wire, they run pretty close to the exhaust.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  9. #9
    is it not right above the starter fly wheel area.

  10. #10
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    yep, right behind the starter solenoid.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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