VW Code 03543
03543 Description And Summary : |
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Accumulated in electronic control units so ignition coil 'l' primary control, circuit low run rough, or might suddenly stall at any given speed exhaust gas temperature sensor 2 bank 1 (g448) . So for next intake manifold tuning (imt) valve position sensor / switch bank 1, circuit high will delay your vw fault. |
03543 Possible Causes:
03543 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Shift Solenoid E Performance or Stuck Off
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 03543 Code
- Inspect all the connections supply voltage for fuel injector group b, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns