VW Code 03423
03423 Description And Summary : |
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This code were stamped on VW Engine case databus engine-engine, implausible message it can suddenly lead to a significantly more injector control pressure sensor, circuit low or change data-bus powertrain, implausible message from level control module (j197) is the final reason of the code. |
03423 Possible Causes:
03423 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 1 Injector Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 03423 Code
- Inspect all the connections low pressure fuel system sensor (g410), circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns