A L L Diagnostic Trouble Codes ( DTC ): Testing and Inspection

1. Oxygen sensor open circuit. Testing and Inspection

2. Airflow meter failure. Either open or short circuit. Testing and Inspection

3. Coolant temperature sensor failure. Testing and Inspection

4. Feedback fueling full rich. Testing and Inspection

5. Airflow meter failure. Low throttle potentiometer voltage with high airflow meter voltage. Testing and Inspection

6. Airflow meter failure. High throttle potentiometer voltage with low airflow meter voltage. Testing and Inspection

7. Feedback fueling full lean. Testing and Inspection

8. Air temperature sensor failure. Either open or short circuit. Testing and Inspection