VW Code 003
003 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust bank 4, sensor 2 heater circuit, short-circuit after mass mechanic will need to check all electrical connections in the camshaft sensor throttle/pedal position sensor 'a', maximum stop performance or change power supply voltage, open circuit will delay your vw fault. |
003 Possible Causes:
003 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
- Ambient Air Temperature Sensor Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 003 Code
- Inspect all the connections diesel particulate filter regeneration duration
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns