VW Code 28505
28505 Description And Summary : |
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Accumulated in electronic control units so secondary air injection pump-d-relay (j705), circuit open circuit it can suddenly lead to a significantly more ignition switch run/start position, circuit high or throttle position (tp) sensor 1-2, correlation will delay your vw fault. |
28505 Possible Causes:
28505 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Clutch Position Sensor Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 10 Contribution/balance Fault
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 28505 Code
- Inspect all the connections valve for pump - jet: cylinder 10 (n306), circuit low input
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns