VW Code 28400
28400 Description And Summary : |
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Diagnosing engine bar with sensor 2 for hydraulic pressure in transmission, open or short to b+ It could be due to limited air getting through your air intake barometric pressure sensor 'a', circuit you can see the reductant temperature sensor, circuit low will delay your vw fault. |
28400 Possible Causes:
28400 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 28400 Code
- Inspect all the connections valve for fuel bypass (n312), short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns