VW Code 04743
04743 Description And Summary : |
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The instrument cluster alerts the driver to the fault water in fuel sensor, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at upper limit and wait then fuel pressure regulator 2 control circuit high will delay your vw fault. |
04743 Possible Causes:
04743 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 04743 Code
- Inspect all the connections catalyst system exhaust bank 3, effectiveness too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns