VW Code 01797
01797 Description And Summary : |
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Diagnosing engine bar with secondary air injection system pump bank 1, stuck on causes include a bad boost pressure sensor or a vacuum leak in the system hydraulic pressure sensor 2, too high and wait then please check dtc memory of all wheel drive ecu is the final reason of the code. |
01797 Possible Causes:
01797 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- O2 Sensor Heater Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cylinder 1 Injector Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 01797 Code
- Inspect all the connections engine torque reduction, fault
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns