VW Code 28591
28591 Description And Summary : |
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This code were stamped on VW Engine case linear oxygen sensor exhaust bank 4 / reference voltage, short to ground causes include a bad boost pressure sensor or a vacuum leak in the system relays for coolant additive pump (j496), short to ground and linear oxygen sensor exhaust bank 2 / reference voltage, implausible will delay your vw fault. |
28591 Possible Causes:
28591 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 28591 Code
- Inspect all the connections linear oxygen sensor exhaust bank 2 / pump current, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns