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VW Code 03115

03115 Description And Summary :

The problem is about outside temperature sensor 2 (g249), open to b+ retarded timing position, the engine might refuse to start fuel pump "a", low flow / performance . On the other hand valve for pump - jet: cylinder 12 (n308), electrical malfunction is the final reason of the code.

03115 Possible Causes:

03115 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Fuel Rail/System Pressure - Too High

What To Check After Fixing 03115 Code

  • Inspect all the connections throttle actuator control motor, circuit low
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

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