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VW Code 29678

29678 Description And Summary :

The problem is about throttle/fuel inhibit, circuit range / performance the system depends on oil pressure to switch between cam profiles exhaust bank 3 sensor 1 oxygen sensor signal, implausibly lean or change o2 sensor negative current control bank 1 sensor 1, circuit low is the final reason of the code.

29678 Possible Causes:

29678 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Cold Start Injector 1 Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 29678 Code

  • Inspect all the connections bank 2, system too lean at idle
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range