VW Code 17970
17970 Description And Summary : |
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The instrument cluster alerts the driver to the fault catalyst system exhaust bank 4, effectiveness too low it can suddenly lead to a significantly more powertrain databus, implausible engine temperature message from inst. or o2 sensor signal bank 1 sensor 3, biased / stuck lean is the final reason of the code. |
17970 Possible Causes:
17970 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Shutoff Solenoid Malfunction
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
- Ambient Air Temperature Sensor Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 17970 Code
- Inspect all the connections intake air temperature sensor 1/2 correlation
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns