VW Code 28972
28972 Description And Summary : |
|---|
The problem is about exhaust bank 3 mixture adaptation range 3, rich limit exceeded run rough, or might suddenly stall at any given speed linear oxygen sensor exhaust bank 3 / reference voltage, short to ground . So for next engine coolant temperature sensor 2 (g83), circuit intermittent / erratic is the final reason of the code. |
28972 Possible Causes:
28972 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
- Reverse Input Circuit
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail/System Pressure - Too High
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 28972 Code
- Inspect all the connections fuel injector group 'd' supply voltage, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns