Computers and Control Systems

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Engine Control Components - Exploded View, 3.7L









Camshaft Position (CMP) Sensor

NOTE: The battery tray must be removed to access the RH exhaust or intake CMP (Camshaft Position). For additional information, refer to Battery.

NOTE: Lubricate the Camshaft Position (CMP) sensor O-ring seal with clean engine oil. LH shown, RH similar.










Crankshaft Position (CKP) Sensor

NOTE: After installing the Crankshaft Position (CKP) sensor, use the scan tool to perform the Misfire Monitor Neutral Profile Correction procedure, following the on-screen instructions.










Cylinder Head Temperature (CHT) Sensor

NOTE: The lower intake manifold must be removed to access the CHT (Cylinder Head Temperature) sensor. For additional information, refer to Engine.










Heated Oxygen Sensor (HO2S) and Catalyst Monitor Sensor (CMS)

NOTE: For Heated Oxygen Sensor (HO2S) removal and installation, refer to Heated Oxygen Sensor (HO2S) .

NOTE: If necessary, lubricate the Catalyst Monitor Sensor (CMS) with penetrating and lock lubricant to assist in removal.

NOTE: Apply anti-seize to the threads of the CMS (Catalyst Monitor Sensor) prior to installing.

NOTE: The correct torque wrench setting must be calculated when using the Exhaust Gas Oxygen Sensor Socket to install the CMS (Catalyst Monitor Sensor).










Knock Sensor (KS)

NOTE: The lower intake manifold must be removed to access the KS (Knock Sensor). For additional information, refer to Engine.

NOTE: LH cylinder head removed in graphic for clarity.










Variable Camshaft Timing (VCT) Oil Control Solenoid

NOTE: The valve cover must be removed to access the VCT (Variable Camshaft Timing) oil control solenoid. For additional information, refer to Engine.

NOTE: LH shown, RH similar.

NOTE: To install, tighten bolt(s) to 8 Nm (71 lb-in) plus an additional 20 degrees.










1. Refer to the procedures and/or exploded views for any Warnings, Notices, Notes, Materials, Specifications, and Special Tools. Items in the exploded views may not be listed in order of removal.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.