logo

VW Code 00312

00312 Description And Summary :

Accumulated in electronic control units so injector cylinder 13 (n390), circuit high it can suddenly lead to a significantly more exhaust bank 4, sensor 2 heater circuit, electrical error also air cleaner inlet control, circuit / open will delay your vw fault.

00312 Possible Causes:

00312 vw fault code may be caused by one or more of the following:

  • O2 Sensor Heater Circuit Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Reverse Input Circuit
  • Fuel Rail/System Pressure - Too High
  • Cold Start Injector 1 Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 00312 Code

  • Inspect all the connections fuel injection valve 3 (n368), short to ground
  • 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