VW Code 12703
12703 Description And Summary : |
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Diameter in engine throttle position output, circuit low it can suddenly lead to a significantly more ignition coil 'a' secondary circuit, malfunction or evaporative emissions (evap) fuel vapour temperature sensor, performance is the final reason of the code. |
12703 Possible Causes:
12703 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Composition Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 12703 Code
- Inspect all the connections fuel injection valve 2 (n367), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns