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OPERATION Engine speed and crankshaft position are provided through the crankshaft position sensor. The sensor The sensor is a hall effect device combined with an internal magnet. It is also sensitive to steel within a On the 4.7L V–8 engine, a tonewheel is bolted to the engine crankshaft (Fig. 6). This tonewheel has The notches cause a pulse to be generated when they pass under the sensor. The pulses are the input CAMSHAFT POSITION SENSOR DESCRIPTION The Camshaft Position (CMP) sensor is located in the distributor. OPERATION The sensor contains a hall effect device called a sync signal generator to generate a fuel sync signal. Fig. 4 CKP Sensor Operation—5.2L/5.9L Engine 1 – CRANKSHAFT POSITION SENSOR Fig. 5 CKP Sensor Location—4.7L V–8 Engine 1 – CRANKSHAFT POSITION SENSOR Fig. 6 CKP Sensor Operation and Tonewheel—4.7L V–8 Engine 1 – TONEWHEEL 8D - 4 IGNITION SYSTEM DN DESCRIPTION AND OPERATION (Continued) |