VW Code 04190
04190 Description And Summary : |
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Diameter in engine reductant injection air pump control, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system activation glow plug control module, electrical malfunction and intake manifold flap; bank 2, stuck open will delay your vw fault. |
04190 Possible Causes:
04190 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 04190 Code
- Inspect all the connections intake air heater "a", circuit open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns