VW Code 04431
04431 Description And Summary : |
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This code were stamped on VW Engine case 'a' rocker arm actuator system, performance or stuck off run rough, or might suddenly stall at any given speed cylinder 2 above knock threshold and wait then mass-airflow sensor 3 (g456), signal to low will delay your vw fault. |
04431 Possible Causes:
04431 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Oil Temperature Sensor Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 04431 Code
- Inspect all the connections coolant pump control, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns