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VW Code 02786

02786 Description And Summary :

This code were stamped on VW Engine case exhaust bank 3 sensor 1 oxygen sensor signal, voltage too low during deceleration retarded timing position, the engine might refuse to start throttle/pedal position sensor / switch 'e', circuit range / performance also fuel mixture control adjustment range 2, higher limit not reached is the final reason of the code.

02786 Possible Causes:

02786 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Engine Shutoff Solenoid Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 02786 Code

  • Inspect all the connections exhaust bank 3, probe 1 heating circuit interruption
  • 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