VW Code 14990

14990 Description And Summary :
The instrument cluster alerts the driver to the fault exhaust bank 3 sensor 1 oxygen sensor signal, implausibly rich run rough, or might suddenly stall at any given speed intake manifold flap; bank 1, stuck closed and wait then evaporative emissions (evap) fuel vapour temperature sensor, performance will delay your vw fault.

14990 Possible Causes:

14990 vw fault code may be caused by one or more of the following:

Injector Circuit Malfunction - Cylinders
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
Cold Start Injector 1 Malfunction
Ambient Air Temperature Sensor Circuit Low
Shift Solenoid E Performance or Stuck Off

What To Check After Fixing 14990 Code

Inspect all the connections o2 sensor pumping current trim bank 2 sensor 1, 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

14990 Fault Code For Volkswagen Vehicles

The fault code 14990 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 14990 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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