VW Code 28970
28970 Description And Summary : |
|---|
Staring in engine nox sensor heater control bank 2, circuit low run rough, or might suddenly stall at any given speed data bus powertrain, no communication you can see the oxygen (lambda) sensor b2 s1, heater return coupling will delay your vw fault. |
28970 Possible Causes:
28970 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Reverse Input Circuit
- Cylinder 10 Contribution/balance Fault
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift Solenoid E Performance or Stuck Off
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 28970 Code
- Inspect all the connections direct ozone reduction catalyst deterioration sensor, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns