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National Stock Number:
2990-01-399-1022
Federal Supply Class:
2990
National Item Identification Number:
013991022
Description:
SENSOR,CRANKSHAFT POSITION,EMISS
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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Manufacturer Information:
| 16009886 | 11862 | GENERAL MOTORS CORP CHEVROLET MOTOR DIV SPECIAL PRODUCTS DEPT | | 16009886 | 7X677 | GENERAL MOTORS LLC |
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Techincal Specification:
| SPECIAL FEATURES | PART OF EMISSIONS CONTROL SYSTEM |
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