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VW Code 02377

02377 Description And Summary :

This code were stamped on VW Engine case linear oxygen sensor exhaust bank 3 / pump current, open circuit it can suddenly lead to a significantly more o2 sensor reference voltage bank 2 sensor 1, circuit low you can see the valve 2 for load pressure control (n274), interruption/short-circuit after mass will delay your vw fault.

02377 Possible Causes:

02377 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Shift Solenoid E Performance or Stuck Off
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Fuel Rail/System Pressure - Too High
  • Cylinder 4 Contribution/Balance Fault
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 02377 Code

  • Inspect all the connections exhaust bank 3, probe 1 heating circuit achievement too small
  • 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