P07C8 Code:

OBD-II Diagnostic Powertrain (P) Trouble Code

Possible Cause

P07C8code will be stored and a malfunction indicator lamp may be illuminated. Some vehicles will require multiple failure cycles in order for the malfunction indicator lamp to be illuminated.

Common Symptoms

  1. The sensor is of the electro magnetic design and uses a reluctor ring (or a specialized set of splines) on the input shaft as reference points
  2. If the resistance level does not decrease with heat and increase as it cools, replace the sensor. If everything has checked out thus far, turn the key to the "ON" position and test for the presence of a voltage (and a ground signal) at the exhaust gas temperature/pressure (or heated oxygen) sensor electrical connector
  3. The exhaust gas temperature sensor is used in diesel engines, gasoline burning engines, and even turbocharged engines
  4. If the fuel shutoff switch and all system circuitry checks out, suspect a defective PCM (or other related controller)

Similar Problems

Vehicle Speed Control And Idle Control System
BBV Sensor Circuit Low Voltage
Kick-Down Switch Failed Short

P07C8 Troubleshooting

Broken engine mountings can cause banging and graunching noises. There are two main types of mounting those centrally placed close to the bottom of the block and those higher up the block which mount on to the inner wings or chassis members. P07C8 OBD 2 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.

How to turn off P07C8 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.