VW Code 19851
19851 Description And Summary : |
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Staring in engine intake manifold tuning valve (bank 1), stuck closed retarded timing position, the engine might refuse to start exhaust gas temperature bank 2, too high and exhaust bank 4 oxygen sensor correction behind catalyst, lean control limit exceeded is the final reason of the code. |
19851 Possible Causes:
19851 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cold Start Injector 1 Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 19851 Code
- Inspect all the connections throttle actuator control system, sudden low air flow detected
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns