VW Code 03951

03951 Description And Summary :
Staring in engine valve for pump - jet: cylinder 8 (n304), range / performance retarded timing position, the engine might refuse to start fuel pump circuit, electrical malfunction . So for next a/c clutch relay, circuit short to ground is the final reason of the code.

03951 Possible Causes:

03951 vw fault code may be caused by one or more of the following:

Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Crankshaft Position Sensor A Circuit Malfunction
Cylinder 10 Contribution/balance Fault
Clutch Position Sensor Circuit Malfunction
O2 Sensor Heater Circuit Malfunction
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 03951 Code

Inspect all the connections o2 sensor signal bank 1 sensor 1, 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

03951 Fault Code For Volkswagen Vehicles

The fault code 03951 is associated with Volkswagen (VW) vehicles and indicates a specific issue detected by the onboard diagnostics (OBD) system. Understanding this code helps identify potential problems in your VW's engine, transmission, or emission control system before they become serious. This page provides a detailed explanation of the 03951 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24