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Nissan-Datsun
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1989
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Pulsar L4-1809cc 1.8L DOHC (CA18DE)
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Repair and Diagnosis
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Sensors and Switches
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Sensors and Switches - Powertrain Management
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Sensors and Switches - Computers and Control Systems
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Knock Sensor
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Description and Operation
Knock Sensor: Description and Operation
Fig. 56 Knock Sensor:
The
knock sensor
's piezoelectric element detects engine detonation. It sends a voltage signal to the ECU. It is located on the cylinder block (on the firewall side) above the oil filter.