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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, an Idle Learn Procedure must be performed. Refer to the appropriate procedure:
- Idle Learn for the 1.4L DOHC engine
- Idle Learn for the 1.6L (L91) engine
- Idle Learn for the 1.8L (L79) engine
- Idle Learn for the 1.8L (LDA) engine
- Idle Learn for the 2.0L (L34 GMDAT) engine
  - Throttle body assembly
  - ECM
If any of the following components are replaced, a CKP Variation Learn Procedure must be performed. Refer to the appropriate procedure:
- Crankshaft Position System Variation Learn for the 1.8L (L79) engine
- Crankshaft Position System Variation Learn for the 1.8L (LDA) engine
- Crankshaft Position System Variation Learn for the 2.0L (L34 GMDAT) engine
  - CKP sensor
  - Engine replacement
  - Any engine repair that disturbs the relationship between CKP sensor and the crankshaft reluctor wheel.