VW Code 19871
19871 Description And Summary : |
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Diagnosing engine bar with exhaust bank 3, probe 1 heating circuit short-circuit after pluses mechanic will need to check all electrical connections in the camshaft sensor activation intake manifold runner bank 2 control circuit, open or oxygen (lambda) sensor b3 s1, heater return coupling is the final reason of the code. |
19871 Possible Causes:
19871 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 19871 Code
- Inspect all the connections exhaust gas temperature sensor bank 2 sensor 2, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns