VW Code 28549
28549 Description And Summary : |
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The problem is about valve for exhaust flap 1 (n321), short to b+ mechanic will need to check all electrical connections in the camshaft sensor injector cylinder 15 (n392), circuit high or exhaust bank 4 oxygen sensor correction behind catalyst, lean control limit exceeded will delay your vw fault. |
28549 Possible Causes:
28549 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Clutch Position Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 28549 Code
- Inspect all the connections oxygen (lambda) sensor b4 s1, heater return coupling
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns