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How to fix Mitsubishi P8 error code?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

Mitsubishi P8 error code is a code that is associated with the Mitsubishi Pajero car. This error code happens when the car's computer system detects an error in the car's engine. There are a number of possible causes for this error code, including a problem with the car's spark plugs, a problem with the car's fuel injectors, or a problem with the car's oxygen sensor.

1. Check the electrical connections to the sensor

  1. Inspect the electrical connections to the sensor. Verify that all of the wires are properly connected and that the wires are not touching any other part of the car.
  2. If the electrical connections are incorrect, replace the sensor.

2. Clean or replace the sensor

  1. Check to see if the sensor is physically damaged. If it is, replace it.
  2. Check to see if the sensor is dirty. If it is, clean it.
  3. Check to see if the sensor is installed properly. If it is not, replace it.

3. Check for any blockages in the air intake system

  1. Remove the cover of the air filter.
  2. Check the air filter condition and replace if necessary.
  3. Check the air intake system for blockages.
  4. Clean the air intake system.
  5. Reinstall the air filter cover.

4. Check the exhaust system for any leaks

  1. Remove the air filter and inspect the air intake. Check for any blockages.
  2. If the air filter is not removable, use a vacuum cleaner to clear any debris from the air intake.
  3. Remove the cover over the exhaust system. Check for any signs of leakage.
  4. If there are signs of leakage, replace the exhaust system.

5. Check the engine management system for any faults

  1. Check the engine management system (EMS) diagnosis tool for any faults.
  2. If any faults are found, fix them.
  3. Re-start the engine and check for any further faults.
  4. If any further faults are found, fix them.
  5. Re-check the engine management system diagnosis tool for any faults.

Some users might also have success with the following opitons:

  1. Have the vehicle diagnosed by a professional.