Setup for Component Replacement
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
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