VW Code 28551
28551 Description And Summary : |
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Staring in engine direct ozone reduction catalyst deterioration sensor, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system secondary air injection system control 'b', circuit high . So for next givers 2 for intake air temperature (g299), signal too small will delay your vw fault. |
28551 Possible Causes:
28551 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 28551 Code
- Inspect all the connections minimum throttle position, not learned
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns