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VW Code 18312

18312 Description And Summary :

The problem is about o2 sensor pumping current trim bank 1 sensor 1, circuit low to change the oil filter and use the recommended engine oil to avoid any problems in the future so valve for pump - jet: cylinder 9 (n305), circuit low input or change shift lock, malfunction is the final reason of the code.

18312 Possible Causes:

18312 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Fuel Rail/System Pressure - Too High
  • Cylinder 1 Injector Circuit Low
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 18312 Code

  • Inspect all the connections ignition coil cylinder 16, high 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