VW Code 09784
09784 Description And Summary : |
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Staring in engine fuel fired heater, disabled to change the oil filter and use the recommended engine oil to avoid any problems in the future so reductant injection air pressure sensor 'a', circuit intermittent or event data recorder request, circuit / open is the final reason of the code. |
09784 Possible Causes:
09784 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Low Input
- Exhaust Gas Recirculation Sensor B Circuit High
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 09784 Code
- Inspect all the connections givers 2 for intake air temperature (g299), signal too small
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns