C0373 Yue Loong Yln Diagnostic Trouble Code

C0373 Yue Loong Yln code definition:
C0373 is a kind of OBD-II Diagnostic C-Chassis Diagnostic Trouble Code for Yue Loong Yln.

C0373 Yue Loong Yln is triggered when the bank 1 camshaft position sensor doesn't match the signal from the crankshaft position sensor. Other symptoms that may indicate this problem are when the Check Engine Light illuminates and when there is a visible lack of engine power.

Symptoms

Symptoms of a C0373 Yue Loong Yln diagnostic trouble code may include:
Place of C0373 in engine

Possible Causes :

  • A large air leak at or near the number one oxygen sensor would also cause a lean mixture.
  • Faulty IMRC actuator relay (if equipped)
  • Faulty IMRC actuator/sensor

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 :

It should be pretty close to battery voltage (12 volts). If not, then this is the circuit that has the problem. 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.

Process Tips

Diagnostic trouble code C0373 Yue Loong Yln 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 C0373 Yue Loong Yln.

Fortunately, C0373 Yue Loong Yln is a fairly common OBD code, meaning that it applies to all makes and models of vehicles made after 1996.

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