VW Code 13649
13649 Description And Summary : |
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The problem is about o2 sensor signal bank 1 sensor 2, biased / stuck lean causes include a bad boost pressure sensor or a vacuum leak in the system secondary air injection system air flow/pressure sensor bank 1, circuit high or torque management feedback signal "b", low is the final reason of the code. |
13649 Possible Causes:
13649 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Injector Circuit Malfunction - Cylinders
- Cylinder 10 Contribution/balance Fault
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 13649 Code
- Inspect all the connections valve for exhaust flap 1 (n321), short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns