Questions & Answers for: knock detonation sensor

knock sensor system does not provide an engine detonation signal to the PCM (powertrain control module), the engine detonates, especially on acceleration. The first step in diagnosing the knock sensor

...detonation knock it sends this information to the PCM and the PCM will normally ****** the ignition timing to prevent damage to the engine. However if it is detecting a knock from say bad bearings it ...

knock sensor here goes for a 1 Tu. this sensor detects detonation in the engine caused by a dirty piston head dirty valves and valve train. When it detects this detonation it tells the computer to ***

...knock sensor may cause engine detonation or reduced spark advance and fuel economy. When a knock sensor is removed and replaced, the sensor must be tightened to its specified torque. If the knock ...

...detonation from low octain fuel, or egr malfunction. check to be sure sensor wiring is ok, or that it's not unplugged.knock sensor is there to detect detonation (spark knock) so pcm can ******

resulting in engine detonation. To replace the knock sensor: Disconnect the knock sensor wiring connector. Then, unscrew the sensor. Remove the knock sensor. Reverse the procedures to install the part

...knock is detonation from incorrect air/ fuel mixture settings and has to be definitely fixed. If you do not rectify this problem then the detonation will be occurring at engine higher RPM's when you ...

detonation was heard by the knock sensor when it would retard until the knocking stopped thus maintaining the maximum pressure on the pistons for the fuel input. The mechanical safety of the engine is

...KNOCK (DETONATION) SENSOR the knock sensor Is on the back of engine (driver side on LHD vehicles) under the cam position sensor. it is a giant PITA to change. i had to cut a wrench in half (7/8 i ...

knock or detonation. The PCM uses this signal to alter the ignition timing and prevent detonation. The 4.3-liter's sensor is on the right cylinder head, beneath the rear of the exhaust manifold. https