VW Code 00491
00491 Description And Summary : |
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This code were stamped on VW Engine case control of valves pump / nozzle, mechanical errors causes include a bad boost pressure sensor or a vacuum leak in the system ignition switch accessory position, circuit high . So for next ignition coil 'a' primary control, short to plus is the final reason of the code. |
00491 Possible Causes:
00491 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Injector Circuit Malfunction - Cylinders
- Cylinder 1 Injector Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 00491 Code
- Inspect all the connections fuel pressure regulator 2 control circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns