VW Code 28702
28702 Description And Summary : |
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This code were stamped on VW Engine case reductant injection valve bank 2 unit 2, circuit high causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4 sensor 1 oxygen sensor signal, implausibly lean and wait then data bus powertrain, missing message from adr control module is the final reason of the code. |
28702 Possible Causes:
28702 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Shift Solenoid E Performance or Stuck Off
- Glow Plug/Heater Circuit 'A' Malfunction
- Fuel Rail/System Pressure - Too High
- O2 Sensor Heater Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 28702 Code
- Inspect all the connections accelerator position sensor 2 (g185), signal too high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns