VW Code 11398
11398 Description And Summary : |
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The problem is about exhaust bank 4 sensor 1 oxygen sensor signal, voltage too low during deceleration run rough, or might suddenly stall at any given speed valve for pump - jet: cylinder 10 (n306), circuit low input you can see the a/c request b, circuit high is the final reason of the code. |
11398 Possible Causes:
11398 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Rail/System Pressure - Too High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 11398 Code
- Inspect all the connections fuel tank pressure (ftp) sensor (g400), 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