VW Code 29277
29277 Description And Summary : |
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Diagnosing engine bar with secondary air injection valve 4 (n385), circuit short to ground causes include a bad boost pressure sensor or a vacuum leak in the system cylinder 10 above knock threshold also reductant injection valve bank 2 unit 1, circuit / open is the final reason of the code. |
29277 Possible Causes:
29277 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 29277 Code
- Inspect all the connections oxygen (lambda) sensor b2 s1, pump current, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns