DTC 41

DTC 41 Air Fuel Ratio Control System Diagnostic Chart:

DIAGNOSTIC CHART

1. Proceed to Fuel Injector Testing
1. Proceed to Air Flow Sensor Testing
3. Proceed to Water Temperature Sensor Testing
4. Proceed to Throttle Position Sensor Testing
5. Proceed to O2 Sensor Testing
6. Proceed to Fuel Pressure Inspection
7. Proceed to fuel Injector Testing