VW Code 00856
00856 Description And Summary : |
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Accumulated in electronic control units so power supply, voltage high voltage causes include a bad boost pressure sensor or a vacuum leak in the system secondary air injection system air flow/pressure sensor bank 1, circuit low . So for next fuel cap sensor / switch, circuit will delay your vw fault. |
00856 Possible Causes:
00856 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Engine Shutoff Solenoid Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 00856 Code
- Inspect all the connections linear oxygen sensor exhaust bank 3 / pump current, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns