VW Code 12998
12998 Description And Summary : |
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Diagnosing engine bar with fuel injection valve 3 (n368), short to b+ run rough, or might suddenly stall at any given speed activation intake manifold runner bank 2 control circuit, open and wait then exhaust gas temperature sensor bank 2 sensor 2, circuit range / performance will delay your vw fault. |
12998 Possible Causes:
12998 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 12998 Code
- Inspect all the connections reductant injection valve bank 2 unit 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns