944 Turbo L4-2479cc 2.5L SOHC Turbo (1988)
Knock Sensor: Service and Repair
NOTE: Knock sensors are fragile. Use care when handling, sensor crystal will be damaged if dropped on a hard surface.
1.
Loosen and remove cruise control cable hold-down on intake manifold.
2.
Disconnect #3 cylinder spark plug connector.
3.
Unscrew knock sensor and lift out.
4.
Disconnect electrical connector.
5.
Reverse procedure to install, using a new original style bolt without washer.
Torque sensor to 14 ft.lb (20 Nm)