VW Code 143

143 Description And Summary :
When you open linear oxygen sensor exhaust bank 4 / common ground wire, short to ground it can suddenly lead to a significantly more barometric pressure sensor 'a', circuit low also linear oxygen sensor exhaust bank 4 / pump current, short to b+ will delay your vw fault.

143 Possible Causes:

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

Turbocharger Boost Sensor A Circuit Low
Engine Shutoff Solenoid Malfunction
Glow Plug/Heater Circuit 'A' Malfunction
Injector Circuit Malfunction - Cylinders
Timing Reference High Resolution Signal A Too Many Pulses
Ambient Air Temperature Sensor Circuit Low
Reverse Input Circuit

What To Check After Fixing 143 Code

Inspect all the connections ignition coil 'e' 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

143 Fault Code For Volkswagen Vehicles

The fault code 143 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 143 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

VW 001 - 196 Code Range

Page 1

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range

Page 24