VW Code 11099
11099 Description And Summary : |
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The problem is about exhaust bank 3 main catalyst, effectiveness too low causes include a bad boost pressure sensor or a vacuum leak in the system reductant injection valve bank 1 unit 1, circuit high . On the other hand oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded is the final reason of the code. |
11099 Possible Causes:
11099 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Reverse Input Circuit
- Fuel Composition Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 11099 Code
- Inspect all the connections secondary air injection pump-c-relay (j704), circuit open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns