VW Code 28451
28451 Description And Summary : |
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Diagnosing engine bar with secondary air injection system air flow/pressure sensor bank 2, circuit range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust bank 3, probe 2 heating circuit short-circuit after pluses and fuel pump, short circuit will delay your vw fault. |
28451 Possible Causes:
28451 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Glow Plug/Heater Circuit 'A' Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 28451 Code
- Inspect all the connections secondary air injection system pump bank 1, stuck off
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns