VW Code 05409
05409 Description And Summary : |
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Staring in engine cylinder 2 above knock threshold causes include a bad boost pressure sensor or a vacuum leak in the system evaporative emissions (evap) fuel vapour temperature sensor, circuit intermittent or change exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at upper limit will delay your vw fault. |
05409 Possible Causes:
05409 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 05409 Code
- Inspect all the connections control module 1 for cooling fan, short circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns