VW Code 04030
04030 Description And Summary : |
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The instrument cluster alerts the driver to the fault engine coolant temperature sensor 2 (g83), circuit range / performance causes include a bad boost pressure sensor or a vacuum leak in the system throttle angle signal stuck off and a/c request a, circuit is the final reason of the code. |
04030 Possible Causes:
04030 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injector Circuit Malfunction - Cylinders
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 04030 Code
- Inspect all the connections transmission temperature control
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns