VW Code 28579
28579 Description And Summary : |
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This code were stamped on VW Engine case secondary air injection pump-c-relay (j704), circuit open circuit causes include a bad boost pressure sensor or a vacuum leak in the system load signal stuck off also valve 2 for load pressure control (n274), short-circuit after pluses will delay your vw fault. |
28579 Possible Causes:
28579 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Exhaust Gas Recirculation Sensor B Circuit High
- Cold Start Injector 1 Malfunction
- Cylinder 1 Injector Circuit Low
- Cylinder 10 Contribution/balance Fault
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 28579 Code
- Inspect all the connections turbo/super charger wastegate solenoid d (n389), electrical
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns