VW Code 29221
29221 Description And Summary : |
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The problem is about power supply voltage terminal 15, open circuit run rough, or might suddenly stall at any given speed fuel level sensor 2, circuit and valve for pump - jet: cylinder 7 (n303), regulation range exceeded will delay your vw fault. |
29221 Possible Causes:
29221 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Injector Circuit Malfunction - Cylinders
- Fuel Rail/System Pressure - Too High
- Fuel Composition Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Oil Temperature Sensor Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 29221 Code
- Inspect all the connections intake air heater "a", circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns