VW Code 09797
09797 Description And Summary : |
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Diagnosing engine bar with catalyst system exhaust bank 4, effectiveness too low it can suddenly lead to a significantly more post catalyst fuel trim system, low limit you can see the fuel pressure regulator valve (n276), mechanical malfunction is the final reason of the code. |
09797 Possible Causes:
09797 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Cold Start Injector 1 Malfunction
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 09797 Code
- Inspect all the connections intake manifold runner position sensor / switch, circuit high bank 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns