Couldn't be easier. Once you locate the knock sensor below and behind the intake manifold, it is held on with one screw through the middle and connected to the wiring harness by one plug. Finding it is the hard part. --Ken
Where is the knock sensor located on a 1999 Subaru Forester?
The knock sensor is located near the idle air control solenoid valve on a 2001 Subaru Forester. The knock sensor is responsible for sensing vibrations caused by engine knock.
If somebody knocks on the front door of the Subaru, the KNOCK sensor, sets off the KNOCK Alarm....LOL
Knock sensor/vibration sensor
Yes.
Not necessarily.
Could be a bad knock sensor. The ECM may be retarding the timing based on bad input from a faulty knock sensor.
that the knock sensor does
P0328 on an OBD11 equipped automobile (everything since 1996) is a knock sensor code. I believe that it says the reading is over the high limit. You should focus on the knock sensor and the wiring leading to it. --Ken
can anyone help me please Its the sensor directly under the intercooler remove the intercooler and a couple of airpipes and you will get at it easiar.
No. The knock sensor's job is to detect detonation, or uncontrolled ignition of fuel in the cylinders, and adjust ignition timing accordingly. With a faulty knock sensor, detonation can cause scored on the piston and cylinder walls, damaging your engine.The good news is it's a fairly cheap part, and easy to replace. It is held in by a single bolt, and is located on top of the driver's side of the engine, just aft of the intake manifold.
It will sense the engine pre-detonating fuel(usual cause is fuel octane level to low). ECU will adjust timing to prevent damage to engine.