VW Code 02784
02784 Description And Summary : |
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The problem is about valve for pump - jet, cylinder 4 (n243), electrical malfunction it can suddenly lead to a significantly more engine coolant bypass valve, control circuit high . On the other hand exhaust bank 4 sensor 1 heater circuit, voltage too low is the final reason of the code. |
02784 Possible Causes:
02784 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 02784 Code
- Inspect all the connections fuel pressure regulator 2 control circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns