VW Code 03976
03976 Description And Summary : |
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This code were stamped on VW Engine case fuel mixture control adjustment range 2, lower limit not reached to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust bank 3 sensor 1, voltage too low or air leak . So for next control of valves pump / nozzle, electrical errors in the electric circuit is the final reason of the code. |
03976 Possible Causes:
03976 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- O2 Sensor Heater Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 03976 Code
- Inspect all the connections exhaust bank 3/4 lambda probes before kat exchanges
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns