VW Code 03003
03003 Description And Summary : |
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The problem is about exhaust gas recirculation vent control, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system intake air heater "a", system performance . So for next glow plug/heater relay 2 circuit, short to b+ will delay your vw fault. |
03003 Possible Causes:
03003 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 1 Injector Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 03003 Code
- Inspect all the connections hydraulic actuator position sender (g302), electrical malfunction in circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns