6000 V6-173 2.8L (1988)
Knock Sensor: Service and Repair
REMOVAL
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Disconnect negative battery cable.
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Raise the car.
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Disconnect Electronic Spark Control (ESC) wiring harness connector from ESC sensor.
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Remove the ESC sensor from engine block.
INSTALLATION
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Install the ESC sensor into engine block and torque to 14 Nm (19 lb ft).
NOTE: Be sure the ESC sensor threads are clean.
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Connect the ESC wiring harness connector to the ESC sensor.
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Lower the car.
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Connect the negative battery cable.
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Before starting engine, follow the "Idle Learn Procedure".
NOTE: The Electronic Control Module (ECM) will need to relearn the IAC valve pintle position following battery reconnection. This procedure
allows the ECM memory to be updated and provides for a stable idle speed.
Idle Learn Procedure
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Install Tech 1 "Scan" tool.
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Ignition "ON" engine "OFF."
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Select "IAC SYSTEM," then "IDLE LEARN" in the "MISC. TEST" mode.
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Proceed with idle learn as directed by Tech 1 "Scan" tool.