If the MAF sensor is defective or dirty, it does not send correct measured values to the control unit of Mazda3. What happens when MAF sensor malfunctions in Mazda3? It is not only important for power delivery in your Mazda3, but also for the lowest possible pollutant emissions. If there is anything that you would like to add, please feel free to leave a comment below.The mass air flow sensor is part of the engine’s intake system and is located between the air filter and the throttle body. Replacing a bad MAF sensor can make your 6 feel like a new vehicle. About a dozen small bursts will be all that you need. Clean the Sensor– Now that you’ve removed your 6’s MAF sensor, it’s time to clean it.Simple hand tools will be all that you need to complete the job. Remove the Sensor- Take care not to damage the wiring harness or the connector pins that receive the harness in the MAF.Locate the MAF Sensor– It’ll be in between the air filter and the throttle body.It sure beats the heck out of having to buy a new sensor. It’s really cheap and available at any parts store. This is a bad idea, it can ruin the sensor. Some folks recommend using alcohol because it’s usually on hand, and can clean the sensor. Often, the mass airflow sensor really only needs cleaning when they go bad. Here’s a fantastic video on how to diagnose a bad MAF sensor using a multimeter from Ratchets and Wrenches on YouTube. There are other codes related to the mass air flow sensor as well, but these are the most common ones. The two most common trouble codes in relation to the MAF sensor are: This is great because it helps you narrow down the problem. If the MAF sensor has gone bad, it’ll trigger the check engine light and provide an OBDII trouble code. Here a couple of common MAF sensor styles
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