logo

VW Code 16734

16734 Description And Summary :

Staring in engine exhaust bank 4 sensor 1 oxygen sensor signal, implausibly lean retarded timing position, the engine might refuse to start tiptronic switch up, circuit short to ground and linear oxygen sensor exhaust bank 2 / common ground wire, short to ground will delay your vw fault.

16734 Possible Causes:

16734 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Cold Start Injector 1 Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 16734 Code

  • Inspect all the connections intake manifold runner position sensor / switch, circuit bank 2
  • 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