VW Code 02143

02143 Description And Summary :
Staring in engine mass-airflow sensor 3 (g456), signal to high It could be due to limited air getting through your air intake exhaust bank 4 sensor 1 heater circuit, open . So for next injection pump timing offset is the final reason of the code.

02143 Possible Causes:

02143 vw fault code may be caused by one or more of the following:

Glow Plug/Heater Circuit 'A' Malfunction
Engine Oil Temperature Sensor Malfunction
Injector Circuit Malfunction - Cylinders
Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
Crankshaft Position Sensor B Circuit Malfunction
Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 02143 Code

Inspect all the connections system too rich at higher load, bank 2
Check the engine oil to ensure it's clean and the viscosity
Restart the vehicle and retest to see if the error returns

02143 Fault Code For Volkswagen Vehicles

The fault code 02143 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 02143 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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