Knock Sensor: Service and Repair
Knock Sensor
Removing
- Disconnect the negative battery.
- Remove the upper intake manifold. Refer to => [ Upper Intake Manifold ] Upper Intake Manifold.
- Disconnect the wiring harness electrical connector from the knock sensor pigtail harness connector.
- Remove the knock sensor bolt and sensor - arrow -.
Installing
Tighten the knock sensor to the correct specification. Over or under tightening effects the knock sensor performance, possibly causing improper spark control and damage to the sensor.
- Install the knock sensor and bolt. Tighten the bolt to 20 Nm (15 ft lbs).
- Connect the wiring harness electrical connector to the knock sensor pigtail harness connector.
- Route the knock sensor wire in the proper location.
- Install the upper intake manifold. Refer to => [ Upper Intake Manifold ] Upper Intake Manifold.
- Connect the negative battery cable.