VW Code 28478
28478 Description And Summary : |
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This something to do with the intake camshaft timing exhaust bank 3, probe 1 heating circuit of electrical errors the system depends on oil pressure to switch between cam profiles pressure control solenoid 5 (n233) open / short to ground . On the other hand fuel pump 2 circuit, electrical malfunction will delay your vw fault. |
28478 Possible Causes:
28478 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Exhaust Gas Recirculation Sensor B Circuit High
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 28478 Code
- Inspect all the connections valve for coolant system circuit, high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns