Question about Alfa Romeo Spider

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I have a 1988 Alfa Romeo Spider. This model features Bosch electonic fuel injection. Just installed a rebuilt motor and am having issues with it running correctly? It appears that this FI system on this car uses flywheel sensors to trigger the ignition. I am wondering therefore, if the flywheel needed to be positioned in a particular position on the crankshaft in order to result in correct ignition, etc. plse advise. Thanks tom

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  • tskogley Sep 29, 2010

    Thanks for your response to my 1988 Alfa Spider issue but wondering if you received my follow up e-mail? tom

  • tskogley Sep 29, 2010

    Ok, first i appreciate your time, thank you. My follow up e-mail was more in the line of: are you familiar with the correct positioning of the flywheel's sensor when the crank is at TDC on the firing stroke? Or is it necessary to even worry about the flywheel's relative position to the crank? Also not familiar with any camshaft sensor - could you plse elaborate. Also does the small cam chain sprocket/jack shaft assembly and short chain have to be positioned a particular way? This didn't seem critical as the crank is positioned at TDC (marks line up) with both cams also aligning as they should. Thanks again. tom


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There is a crankshaft position sensor as well as a camshaft position sensor. Your might not have the camashaft sensor but should have the cranks sensor

Posted on Sep 28, 2010

  • 1 more comment 
  • Nate Stansfield
    Nate Stansfield Sep 29, 2010

    I did not receive a follow up email

  • Nate Stansfield
    Nate Stansfield Sep 29, 2010

    Flywheel positioning doensn't matter. Crank and cam timing are what gives correct positioning. There is a crankshaft position sensor that provides spark to coils and ignition module.

  • Nate Stansfield
    Nate Stansfield Sep 29, 2010


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