VW Code 28268
28268 Description And Summary : |
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Diagnosing engine bar with injector cylinder 13 (n390), circuit high It could be due to limited air getting through your air intake o2 sensor signal bank 2 sensor 1, biased / stuck lean . So for next exhaust bank 3/4 lambda probes before kat exchanges is the final reason of the code. |
28268 Possible Causes:
28268 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Turbocharger Boost Sensor A Circuit Low
- Reverse Input Circuit
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Composition Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 28268 Code
- Inspect all the connections cylinder 4 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns