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fred cook fred cook is offline
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Join Date: May 2001
Location: Deep South
Posts: 5,145
Garage
A simple test

Once you get the ECU back in the car, try cranking the engine while looking at the tach. It should register 200-300 rpms (assuming an electric tach) while cranking if the crankshaft position sensor is reading correctly. If not, it will not start.... as you have discovered! What gap are you using for the crank sensor? You might need to move it closer to the sensor wheel. I have one of these systems powering my 3.3SS engine in my SC and it works as it should. Also, double check the wiring going to the control box and make sure you have them all connected correctly. Good luck!

By the way, great looking car!
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1980 911SC coupe "Zeus" 3.3SS
god of thunder and lightning
Old 03-16-2022, 05:15 PM
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