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Thread: 1990 sc problems

  1. #1
    Join Date
    Sep 2019
    Posts
    8

    1990 sc problems

    Hello from Finland i bought 1990 sc project,
    It have harmonic balancer broken and bolt is in camshaft.

    I dont know why its not start on, i bought new coil pack, new spark plugs+wires. Always i start cylinder fill with fuel. It have spark but not so good spark, is it crank sensor bad or DIS module?

  2. #2
    Join Date
    Dec 2007
    Location
    Salem OR
    Posts
    7,170
    You may want to see this no-start troubleshooting process:

    https://mnharms.com/tutorials/disnostart/

  3. #3
    Join Date
    Sep 2019
    Posts
    8
    Okey, i try that
    Thanks

  4. #4
    Join Date
    Sep 2019
    Posts
    8
    So the crankposition sensor is broken, is it hard to change what i need to know?

  5. #5
    Join Date
    Dec 2007
    Location
    Salem OR
    Posts
    7,170
    Check these threads:
    http://www.sccoa.com/forums/showthre...sensor+bracket

    http://www.sccoa.com/articles/crankshaftsensor.php - but I think the small bolts are 5.5mm?

    Short version is discussed here: http://www.sccoa.com/forums/showthre...e+crank+sensor

    An alternative is to remove the bracket that holds the cranksensor from the engine, and then work on them both outside of the car. Photos in this thread:
    http://www.sccoa.com/forums/showthre...sensor+bracket

    The bracket with sensor is shown here too: https://www.supercoupeperformance.co...-sc-engine-634
    Last edited by KMT; 10-20-2019 at 11:14 AM.

  6. #6
    Join Date
    Sep 2019
    Posts
    8
    Okay its hard to find crankshaft sensor in Finland,
    Were i can find that for cheap do you have any crankshaft sensor an additional? If i dont find crankshaft sensor for cheap i have to sell that sc in parts...

  7. #7
    Join Date
    Dec 2007
    Location
    Salem OR
    Posts
    7,170
    Quote Originally Posted by Pullomikko90 View Post
    Okay its hard to find crankshaft sensor in Finland
    It is hard to find a crankshaft sensor anywhere. They are no longer available new. I sold two used ones in the last few months and do not know where more are at this time.

    You may have to be patient.

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