National Stock Number:
2990-99-398-2319
Federal Supply Class:
2990
National Item Identification Number:
993982319
Description:
SENSOR,CRANKSHAFT P
Detail:
A PERMANENT MAGNET WITH A COIL. IT PRODUCES ALTERNATING CURRENT PULSATION WHEN THE MAGNET FIELD OR SENSOR IS DISRUPTED BY A GEAR TOOTH OR NOTCH. IT SENSES PULSE RING LOBES. THE RESULTANT SIGNAL ENABLES THE ELECTRONIC CONTROL ASSEMBLY TO DETERMINE WHEN THE IGNITION MODULE SHOULD BE TRIGGERED TO PRODUCE A SPARK. ALSO, PROVIDES REVOLUTIONS PER MINUTE INFORMATION WHICH IS USED TO CALCULATE SPARK ADVANCE AND EXHAUST GAS RECIRCULATION FLOW, AND AIR/FUEL RATIO, (REPLACES DISTRIBUTOR CENTRIFUGAL ADVANCE WEIGHTS AND TIMING PICKUP). ONE PULSE IS PRODUCED FOR EACH CYLINDER EVERY OTHER ENGINE ROTATION (ONE FOR EACH SPARK PLUG FIRING).
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