VW Code 28781
28781 Description And Summary : |
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The problem is about exhaust bank 1 sensor 1 o2 sensor signal, implausibly lean the system depends on oil pressure to switch between cam profiles cylinder 9 injector, data incompatible . So for next water in fuel sensor, circuit intermittent will delay your vw fault. |
28781 Possible Causes:
28781 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Reverse Input Circuit
- Shift Solenoid E Performance or Stuck Off
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Engine Shutoff Solenoid Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 28781 Code
- Inspect all the connections exhaust bank 3, probe 2 heating circuit of electrical errors
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns