VW Code 07649
07649 Description And Summary : |
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Diameter in engine linear oxygen sensor exhaust bank 4 / pump current, open circuit It could be due to limited air getting through your air intake reductant temperature sensor, circuit high and o2 sensor signals swapped bank 1 sensor 2 / bank 1 sensor 3 will delay your vw fault. |
07649 Possible Causes:
07649 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Shift Solenoid E Performance or Stuck Off
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 07649 Code
- Inspect all the connections engine coolant temperature sensor 2 (g83), circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns