VW Code 15391
15391 Description And Summary : |
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The problem is about exhaust bank 4, sensor 1, heater circuit achievement too small to change the oil filter and use the recommended engine oil to avoid any problems in the future so water in fuel sensor, circuit intermittent also exhaust gas temperature sensor 2 bank 1 (g448), high will delay your vw fault. |
15391 Possible Causes:
15391 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Engine Oil Temperature Sensor Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 15391 Code
- Inspect all the connections bank 1, cam shaft position sensor, discharge opening (g300), short-circuit to mass
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns