VW Code 19791
19791 Description And Summary : |
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Diagnosing engine bar with outside temperature sensor 2 (g249), short to ground it can suddenly lead to a significantly more supply voltage for fuel injector group b, open circuit and wait then reductant temperature sensor, circuit will delay your vw fault. |
19791 Possible Causes:
19791 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Fuel Temperature Sensor B Circuit Range/Performance
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Shutoff Solenoid Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 19791 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns