Key On, Engine Running (KOER) Self-Test: KOER
- Deactivate self-test. Start and run engine at 2000 RPM for 2 minutes to warm up EGO sensor. Turn off engine and wait 10 seconds.
- Restart engine, and activate self-test. Record all service codes displayed. See TROUBLE CODE DEFINITION table. If no codes are present, proceed to SWITCH MONITOR TEST .