Setup for Component Replacement

The replacement of some components will require a setup procedure for complete repair.

If any of the following components are replaced, a crankshaft position (CKP) variation learn procedure must be performed. Refer to CKP System Variation Learn Procedure in Engine Controls - 4.2L (LL8).

• Engine replacement
• Any engine repair that disturbs the crankshaft position CKP sensor or its relationship with the crankshaft reluctor wheel
• CKP sensor