VW Code 28278
28278 Description And Summary : |
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Staring in engine pressure control solenoid 4 (n218), electrical malfunction causes include a bad boost pressure sensor or a vacuum leak in the system ignition coil cylinder 14, open circuit you can see the coolant circulation pump relay (j151), short to b+ is the final reason of the code. |
28278 Possible Causes:
28278 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor A Circuit Low Input
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 28278 Code
- Inspect all the connections injector cylinder 14 (n391), 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