Hyundai Coupe C2963 Code:

OBD-II Diagnostic Chassis (C) Trouble Code

Trouble In Hyundai Coupe C2963 Possible Cause

Possible causes of Hyundai Coupe C2963 include a faulty oxygen sensor, faulty electrical connector at the oxygen sensor, faulty or shorted wiring in the oxygen sensor circuit, a blown fuse for the oxygen sensor (if applicable), low or excessive fuel pressure, a vacuum leak on the engine, excessive exhaust leaks, or a faulty PCM.

Common Symptoms For Hyundai Coupe C2963

  1. If the transmission functions normally and the code doesn't return, then it was likely caused by transmission slippage due to a low fluid level/pressure condition. If the code returns and the transmission slips or suffers from delayed engagement, check pump pressure using a manual pressure gauge
  2. This signal is systematically forwarded to affected control modules that utilize the data to accomplish various other tasks
  3. If the initial resistance is within specifications, leave the leads of the digital volt/ohmmeter connected and heat the resistor with a heat gun
  4. As exhaust temperature decreases (with the engine off), circuit resistance increases and the feedback voltage signal to the PCM decreases

Similar Problems

IC Module 4X Ref Circuit Intermittent, No Pulses
Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
A/C System High Pressure High Temperature

Hyundai Coupe C2963 Troubleshooting

White smoke means that the fuel that is being injected into the combustion chamber is not being burned properly. The common causes that produce white smoke range from something as simple as low engine compression or water in the fuel to the fuel pump timing being thrown off because something is starving the fuel from getting to the pump in the manner necessary for the pump to time and work correctly. Hyundai Coupe C2963 OBD2 may also be triggered by faults earlier down the line. For example, a dirty MAF sensor might be causing the car to overcompensate in its fuel-trim adjustments. As a result, oxygen sensors are likely to report fuel mixture problems.

How to turn off Hyundai Coupe C2963 check engine light ?

There are two ways to turn off the check engine light:

A repair technician can do so once repairs have been made.
The OBD II can automatically turn it off when it fails to detect the problem after several diagnostic cycles.

EngineTroubles.com Logo

Copyright © 2017 | http://www.EngineTroubles.com | All Rights Reserved.