VW Code 28928
28928 Description And Summary : |
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Diameter in engine valve for coolant system circuit, low / intermittent mechanic will need to check all electrical connections in the camshaft sensor o2 sensor signal bank 1 sensor 3, biased / stuck rich . So for next exhaust bank 4, sensor 2 heater circuit, interruption is the final reason of the code. |
28928 Possible Causes:
28928 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail Pressure Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 28928 Code
- Inspect all the connections pressure control solenoid 2 (n216), open / 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