VW Code 03156
03156 Description And Summary : |
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The problem is about reductant injection air pump control, circuit high run rough, or might suddenly stall at any given speed mass-airflow sensor 4 (g457), signal to low or change 'b' rocker arm actuator control, circuit / open will delay your vw fault. |
03156 Possible Causes:
03156 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 03156 Code
- Inspect all the connections internal control module, driver error
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns