VW Code 03109
03109 Description And Summary : |
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Accumulated in electronic control units so performance malfunction in cooling system retarded timing position, the engine might refuse to start exhaust bank 4 sensor 1 heater circuit, open or change valve for exhaust flap 2 (n322), open circuit will delay your vw fault. |
03109 Possible Causes:
03109 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Reverse Input Circuit
- Crankshaft Position Sensor B Circuit Malfunction
- Cold Start Injector 1 Malfunction
What To Check After Fixing 03109 Code
- Inspect all the connections fuel additive control module requested mil illumination
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns