VW Code 14977

14977 Description And Summary :
The instrument cluster alerts the driver to the fault linear oxygen sensor exhaust bank 2 / reference voltage, short to ground run rough, or might suddenly stall at any given speed injector control pressure sensor, circuit intermittent or change data-bus powertrain missing message from distance control is the final reason of the code.

14977 Possible Causes:

14977 vw fault code may be caused by one or more of the following:

Cylinder 10 Contribution/balance Fault
Fuel Rail/System Pressure - Too High
Engine Shutoff Solenoid Malfunction
Fuel Temperature Sensor B Circuit Range/Performance
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Crankshaft Position Sensor B Circuit Malfunction
Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 14977 Code

Inspect all the connections mass-airflow sensor 4 (g457), signal to high
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

14977 Fault Code For Volkswagen Vehicles

The fault code 14977 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 14977 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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