VW Code 14977

14977 Description And Summary :
This code were stamped on VW Engine case activation 2-unit injector valve, short to b+ It could be due to limited air getting through your air intake exhaust gas temperature sensor, bank 1 sensor 5, circuit / open you can see the nox sensor heater sense bank 1, circuit intermittent will delay your vw fault.

14977 Possible Causes:

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

Glow Plug/Heater Circuit 'A' Malfunction
O2 Sensor Heater Circuit Malfunction
Turbocharger Boost Sensor A Circuit Low
Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
Fuel Composition Sensor Circuit Malfunction
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 14977 Code

Inspect all the connections ignition coil 'c' secondary circuit, malfunction
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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