VW Code 28446
28446 Description And Summary : |
|---|
Staring in engine boost pressure control valve (n249), mechanical malfunction It could be due to limited air getting through your air intake cylinder 7 injector, data incompatible and wait then secondary air injection system switching valve bank 2, stuck closed will delay your vw fault. |
28446 Possible Causes:
28446 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- O2 Sensor Heater Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Reverse Input Circuit
What To Check After Fixing 28446 Code
- Inspect all the connections angle sensors 1 signal implausible for butterfly valve drive 2 (g297)
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns