VW Code 13786
13786 Description And Summary : |
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This code were stamped on VW Engine case valve for intake manifold flap (n239), short to ground causes include a bad boost pressure sensor or a vacuum leak in the system fuel pump circuit, electrical malfunction . On the other hand fuel injection valve 3 (n368), short to b+ is the final reason of the code. |
13786 Possible Causes:
13786 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 13786 Code
- Inspect all the connections o2 sensor signal bank 1 sensor 3, biased / stuck lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns