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VW Code 01312

01312 Description And Summary :

Staring in engine exhaust gas temperature sensor, bank 1 sensor 4, circuit low it can suddenly lead to a significantly more fuel injector group 'c' supply voltage, circuit high and wait then idle speed control throttle position 2, electrical malfunction is the final reason of the code.

01312 Possible Causes:

01312 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • O2 Sensor Heater Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 01312 Code

  • Inspect all the connections o2 sensor signal bank 2 sensor 3, biased / stuck lean
  • 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