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Just as the subject said... I have a P0337 code. I have replaced crank sensor twice and used all combos of the spacers givin with new sensor... Truck will not start at all now... was starting and running smooth. then try to give throttle and would just die????? 1998 Chevy K1500 5.7... Thanks

Vehicle: 1998 Chevrolet K1500 5.7 liter

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The next step is to check if the sensor it's actually working, picing up the signal from plate. Also you may have to check the wires from the PCM to the sensor.

P0337 Chevrolet - Crankshaft Position Sensor Circuit Low Duty Cycle  Read

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