Knock Sensor installation for 2003 Honda Pilot

The knock sensor on a 2003 Honda CRV is located on the engine block. Specifically, it is located under the intake manifold, which means it can be difficult to access. Here are the steps to locate and replace the knock sensor on a 2003 Honda CRV:

1. Disconnect the negative battery cable to prevent electrical shock.
2. Remove the intake manifold. This involves removing several bolts and electrical connections.
3. Locate the knock sensor, which is located near the rear of the engine block, under the intake manifold.
4. Disconnect the electrical connector from the sensor.
5. Remove the sensor from the engine block. This may require a special tool, depending on the specific design of the sensor.
6. Install the new knock sensor, making sure it is properly aligned and tightened to the correct torque specification.
7. Reconnect the electrical connector to the sensor.
8. Reinstall the intake manifold, making sure all bolts and electrical connections are properly secured.
9. Reconnect the negative battery cable.

Note that if you are not experienced with working on engines or are unsure of how to proceed, it may be best to seek the assistance of a qualified mechanic to replace the knock sensor on your 2003 Honda CRV.

I looked 03 honda crv, 2.4L engine. A four cylinder only has one bank. I looked at wiring diagram, it only showed one knock sensor. Hope this helps. It appears to be left of starter motor. If picture is incorrect, my bad.

Knock sensor is a single wire red/blue wire. Sensor is located by starter under intake manifold and according to schematic goes straight to ecm pin 9. Ground is engine ground.at base of sensor

Here's a link on your knock sensor. Location of knock sensor for 2004 Honda pilot front or back of engine block

It is located under the fuel rail facing you when standing in front of the car. It is between cylinder 4 and 5. need to remove the upper and lower part of the intake manifold

1. Remove the intake manifold.

1. Disconnect the knock sensor electrical connector.

1. Remove the knock sensor (KS).

Installation Procedure

.

1. Install the knock sensor.Tighten
   Tighten the knock sensor to 25 [n-m] (18 lb ft).
   
2. Connect the knock sensor electrical connector.
3. Reinstall the intake manifold.
   this is quite a job and i would not reccomend a novice mechanic to preform this repair book time is about two hours for this repair hope this helps

Turn ignition off. Disconnect knock sensor 3
-
pin harness connector. Locate knock sensor, on cyli
nder block.
On Optima 2.7L engine, sensors are located on both
sides of cylinder block. . Remove knock
sensor from cylinder block. To install, reverse rem
oval procedure.

These knock sensors are hard to get into. If thats a V6 it is underneath the intake manifold. make sure you cover the intake port when you take it apart, so a screw or a bolt don't accidentally drops in there.

If The engine in your van is a 3.5L, the knock sensor is under the upper intake manifold. This has to be removed in order to access the sensor on top of the engine block. The job requires an upper intake gasket set and about 1.5 hours to do; if you are handy with tools. For those who aren't; better off leaving this one to the professionals.