VW Code 28309
28309 Description And Summary : |
|---|
The problem is about turbocharger speed sensor, circuit low It could be due to limited air getting through your air intake system too lean at higher load, bank 1 . So for next exhaust bank 4, sensor 2, electrical error in the electric circuit will delay your vw fault. |
28309 Possible Causes:
28309 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
- Exhaust Gas Recirculation Sensor B Circuit High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Reverse Input Circuit
What To Check After Fixing 28309 Code
- Inspect all the connections data bus powertrain, missing message from immobilizer
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns