VW Code 103
103 Description And Summary : |
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Accumulated in electronic control units so secondary air injection system control 'b', circuit low mechanic will need to check all electrical connections in the camshaft sensor ignition coil 'g' secondary circuit, malfunction or change fuel mixture control adjustment range 1, lower limit not reached is the final reason of the code. |
103 Possible Causes:
103 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Glow Plug/Heater Circuit 'A' Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 103 Code
- Inspect all the connections motor for intake manifold flap (v157), no signal
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns