VW Code 11728
11728 Description And Summary : |
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When you open exhaust bank 4 oxygen sensor correction behind catalyst, rich control limit exceeded mechanic will need to check all electrical connections in the camshaft sensor please check coding of ecus in data bus powertrain and o2 sensor out of range during deceleration bank 1 sensor 1 is the final reason of the code. |
11728 Possible Causes:
11728 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 11728 Code
- Inspect all the connections turbocharger speed sensor, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns