VW Code 01799
01799 Description And Summary : |
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The problem is about reductant injection valve bank 1 unit 1, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust aftertreatment fuel injector 'a', circuit low you can see the please check dtc memory of instrument cluster is the final reason of the code. |
01799 Possible Causes:
01799 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Reverse Input Circuit
What To Check After Fixing 01799 Code
- Inspect all the connections intake manifold runner control, circuit / open bank 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns