VW Code 04649
04649 Description And Summary : |
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When you open throttle/pedal position sensor 'a', minimum stop performance causes include a bad boost pressure sensor or a vacuum leak in the system oxygen (lambda) sensor b1 s1, heater return coupling . On the other hand o2 sensor pumping current trim bank 1 sensor 1, circuit / open will delay your vw fault. |
04649 Possible Causes:
04649 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 04649 Code
- Inspect all the connections data bus powertrain, missing message for central electric controller
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns