VW Code 28745
28745 Description And Summary : |
|---|
Accumulated in electronic control units so linear oxygen sensor exhaust bank 4 / pump current, open circuit it can suddenly lead to a significantly more throttle/pedal position sensor / switch 'd', circuit intermittent or change ignition coil 'f' secondary circuit, malfunction will delay your vw fault. |
28745 Possible Causes:
28745 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Engine Shutoff Solenoid Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injector Circuit Malfunction - Cylinders
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 28745 Code
- Inspect all the connections cooling bypass valve 2, exhaust gas recirculation flow, electrical
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns