logo

VW Code 01842

01842 Description And Summary :

Diameter in engine nox sensor bank 1, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust bank 2 sensor 1 oxygen sensor signal, implausibly rich . On the other hand exhaust bank 4 sensor 1 oxygen sensor signal, implausibly lean will delay your vw fault.

01842 Possible Causes:

01842 vw fault code may be caused by one or more of the following:

  • Cylinder 1 Injector Circuit Low
  • Cylinder 10 Contribution/balance Fault
  • Crankshaft Position Sensor A Circuit Low Input
  • Cylinder 4 Contribution/Balance Fault
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 01842 Code

  • Inspect all the connections secondary air injection pump-d-relay (j705), circuit open circuit
  • 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