Question about Kia Sportage
To fix the KIA Sportage with code P0171, try servicing the mass sensor first before attempting to replace the sensor. During the servicing, try cleaning the mass sensor wire elements first and reset the engine computer code again. If the problem is not fixed, your next best option is to have the engine smoke “test” so you can find minute vacuum leak in the engine intake which is not visible to the naked eye. Small independent garages provide this “smoke test” at a minimal price if you phone around. Carb cleaner just don’t work anymore especially in an engine like this where it does not leave you any room to work. Once that you have established that the vacuum leak is not present in the engine, you can then go ahead and replace the mass sensor.
P0172 - System Too Rich (Bank 1)
From what I understand, it could be any/all of the following, though the O2 sensor is typically falsely blamed:
* PCM software needs to be updated
* Mass Airflow Sensor (MAF)
* Defective Manifold Absolute Pressure Sensor (MAP)
* Engine mechanical problems
* Defective Oxygen Sensor
* Defective Fuel Pressure Regulator
* Defective Coolant and/or Air Temperature Sensor
* Thermostat is stuck open
* Ignition Misfires
* Defective Throttle Position Sensor
* Defective or restricted fuel return line
* Defective Fuel Injectors
P0440 code is usually emissions EVAP purge solenoid valve faulty, or sometimes associates with cracked/clogged return purge line or similar.
P1693 MIL Circuit Malfunction.
Posted on Jul 31, 2010
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Posted on Jan 02, 2017
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