VW Code 03446
03446 Description And Summary : |
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The problem is about coolant degassing valve, control circuit high causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4 mixture adaptation range 3, rich limit exceeded and wait then bank 2, exhaust cam wave position sensor (g301) / crankshaft position sensor (g28), wrong allocation is the final reason of the code. |
03446 Possible Causes:
03446 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Engine Shutoff Solenoid Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 03446 Code
- Inspect all the connections nox sensor heater control bank 2, 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