2007 Jeep Commander Oxygen Sensor, Engine Control Module, Camshaft Position Sensor, Knock Sensor

Camshaft Position Sensor, Engine Control Module, Knock Sensor, Oxygen Sensor Installation and Repair Tips for 2007 Jeep Commander

• Q: How to Properly Replace the Engine Control Module for 3.7/4.7/5.7L Engines on 2007 Jeep Commander?

  A: When replacing Engine Control Module (PCM) for 3.7/4.7/5.7L Engine Disconnect the ABS CAB to Prevent DTC problems. After installation, you must use some sort of diagnostic tool to write the VIN, so that it's correct. Secure the PCM, inspect connectors and reprogram the PCM with the original VIN and the mileage to avoid DTCs.
• Q: How to Service and Repair a Camshaft Position Sensor in a 3.7L Engine on 2007 Jeep Commander?

  A: To repair the Camshaft Position Sensor for the 3.7L engine, clean the cylinder head hole, apply engine oil to the sensor O-ring, and install the sensor with a rocking motion. Ensure it's flush before tightening the bolt to 12 Nm (106 in. lbs.) and connect the electrical connector.
• Q: How is a Knock Sensor Installed and Replaced in an Engine on 2007 Jeep Commander?

  A: The two knock sensors, located under the intake manifold, must be replaced as a pair. The left sensor has a tag and larger bolt head. After removing the intake manifold, disconnect the harness, remove the bolts (without sealant), and then take out the sensors.
• Q: How to Maintain and Fix an Oxygen Sensor on 2007 Jeep Commander?

  A: The oxygen sensor may be repaired by lifting the vehicle and loosening the wire connector. Take off the sensor using a special device and clean the threads of the exhaust pipe and then install another sensor. The connector should not be greased and it should be cool that is, the engine must be cold before the process starts.