VW Code 28743
28743 Description And Summary : |
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When you open exhaust gas temperature sensor bank 2 sensor 2, circuit intermittent the system depends on oil pressure to switch between cam profiles exhaust bank 4 oxygen sensor correction behind catalyst, lean control limit exceeded also injector control pressure sensor, circuit intermittent will delay your vw fault. |
28743 Possible Causes:
28743 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Shift Solenoid E Performance or Stuck Off
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail/System Pressure - Too High
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 28743 Code
- Inspect all the connections actuator supply voltage "b", circuit /open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns