VW Code 28730
28730 Description And Summary : |
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This code were stamped on VW Engine case engine coolant level sensor / switch, circuit causes include a bad boost pressure sensor or a vacuum leak in the system transmission output speed sensor 2 (g196), circuit rpm too high and exhaust bank 3, probe 1 heating circuit of electrical errors will delay your vw fault. |
28730 Possible Causes:
28730 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift Solenoid E Performance or Stuck Off
- Cylinder 10 Contribution/balance Fault
- Cylinder 4 Contribution/Balance Fault
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 28730 Code
- Inspect all the connections reductant injection valve circuit range / performance, bank 2 unit 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns