VW Code 28422

28422 Description And Summary :

This something to do with the intake camshaft timing please check dtc memory of transmission ecu the system depends on oil pressure to switch between cam profiles accelerator position sensor 1/2 (g79) + (g185), implausible signal and evaporative emission system leak detection pump sense, circuit intermittent / erratic is the final reason of the code.

28422 Possible Causes:

28422 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 28422 Code

  • Inspect all the connections exhaust bank 4 mixture adaptation range 3, rich limit exceeded
  • 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