C0143 Kia Carens Iii Diagnostic Trouble Code

C0143 Kia Carens Iii code definition:
C0143 is a kind of OBD-II Diagnostic C-Chassis Diagnostic Trouble Code for Kia Carens Iii.

C0143 Kia Carens Iii shows up when there's an electrical problem that causes the fuel volume regulator to malfunction and open. It's quite an unusual problem and likely intermittent. The PCM then uses this data to provide the right strategies for the fuel delivery and ignition timing of the engine.

Symptoms

Symptoms of a C0143 Kia Carens Iii diagnostic trouble code may include:
Place of C0143 in engine

Possible Causes :

  • Defective ECU strategies or components will prevent proper regeneration
  • The Mass Airflow sensor is a hot wire that senses the volume of air entering the intake manifold. The computer uses this information to control fuel mixture.
  • Some aftermarket accessories and performance modifications

Common Misdiagnoses

  1. TP Sensor Learn Not Complete Problem
  2. Low Coolant Circuit Problem
  3. Cruise Control System - Vehicle Accel Too High Problem
  4. TFP Valve Position Switch-Drive Without Drive Ratio Problem
  5. Problem

Repair Processes :

With the valve disconnected, the red voltmeter lead should be attached to the IMRC valve power wire and the black voltmeter lead connected to ground. Now, clear the codes and test-drive the vehicle to see if the code is reset.

Process Tips

Diagnostic trouble code C0143 Kia Carens Iii is not difficult to diagnose and repair. Thus, it always pays to have a qualified technician to look after your vehicle should this error code arise.

Diagnosing this code requires the engine to be in good running shape, without unmetered air entering the engine. If other codes that relates to misfiring condition, lean running or air entering the engine is present, then you must first fix those error codes before C0143 Kia Carens Iii.

Fortunately, C0143 Kia Carens Iii is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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