780 V6-2849cc 2.8L SOHC B280F (1987)
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Crankshaft Position Sensor: Description and Operation
CRANKSHAFT POSITION/ENGINE SPEED SENSOR:
The ignition ECU obtains a crankshaft position and speed signal from the crankshaft position/engine speed sensor
The fuel injection ECU receives an engine speed signal from the ignition ECU.