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.