VW Code 28203
28203 Description And Summary : |
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Diameter in engine intake manifold runner control, circuit low bank 2 causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 4, sensor 2 heater circuit, short-circuit after pluses . On the other hand coolant circulation pump relay (j151), open circuit will delay your vw fault. |
28203 Possible Causes:
28203 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Cylinder 10 Contribution/balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 28203 Code
- Inspect all the connections fuel tank pressure (ftp) sensor (g400), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns