VW Code 00143

00143 Description And Summary :
When you open secondary air injection system air flow/pressure sensor bank 2, circuit low retarded timing position, the engine might refuse to start fuel pump, short circuit and valve for pump - jet: cylinder 8 (n304), range / performance is the final reason of the code.

00143 Possible Causes:

00143 vw fault code may be caused by one or more of the following:

Fuel Rail/System Pressure - Too High
Fuel Composition Sensor Circuit Malfunction
Timing Reference High Resolution Signal A Too Many Pulses
Fuel Temperature Sensor B Circuit Range/Performance
Engine Shutoff Solenoid Malfunction
Ambient Air Temperature Sensor Circuit Low
Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 00143 Code

Inspect all the connections nox sensor heater control bank 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

00143 Fault Code For Volkswagen Vehicles

The fault code 00143 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 00143 code, common causes, symptoms, and possible repair solutions to help you diagnose your Volkswagen efficiently and accurately.

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