how to replace mass air flow sensor on Mazda 3 5 6 7 cx5 cx7 cx9

How to change Mazda Mass Air Flow Sensor, Cost, Symptoms

Last Updated on Friday Sep 08, 2017

Has your Mazda air flow sensor gone bad? When the mass air flow (MAF) sensor on a Mazda fails, the check engine light will turn on, and you will notice several performance issues.

mazda maf replacement guide diy 3 5 6 cx5 cx7 cx9Replacing the mass air flow sensor on a Mazda is very easy and will take a DIYers less than 30min. At the dealer, it will cost anywhere from $250 and up to change the MAF sensor on a Mazda. Replace the MAF sensor yourself and save over $200. It is one of the easiest jobs you can perform on a Mazda. If you know how to use a screwdriver, you know how to change a Mazda mass air flow sensor.

In this guide, you will learn what symptoms you may notice when the mass airflow sensor fails, how to replace the mass air flow sensor on a Mazda and answers to FAQ. 

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1. Symptoms of bad Mazda mass air flow sensors


Here is a list of possible symptoms that you may notice from a bad mass airflow sensor on a Mazda. 

  • Engine Stalls
  • Misfiring
  • Poor Acceleration
  • Check Engine Light on
  • Engine Surge
  • Car Jolts
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2. How to replace the mass air flow sensor on a Mazda


Step by step instructions on how to change the mass airflow sensor on a Mazda. These instructions include pictures and video clips to help you with this Mazda DIY repair. 

What you will need

  • Mazda Air Flow Sensor
    • OEM Mazda Air Flow Sensor costs about $200-$300 at the dealership. You can buy a new Mazda air flow sensor online for less than $100. Check for the lowest price on Mazda air flow sensor here and here.
  • Mechanic Toolset
    • The MAF sensor on a Mazda 3, 5, 6 CX5, CX7 CX9 is held in place with two bolts or in some cases screws. 

Instructions

Step 1: Open hood

Open the hood of your Mazda

 

Step 2: Locate mass air flow sensor

Locate the mass air flow sensor on your Mazda 5 The sensor is located near the engine air filter housing

diy guide how to change mass air flow sensor Mazda 5 2010 2011 2012 2013 2014 2015 2016 2017 2018
 

Step 3: Unplug the wire harness

Next, unplug the electrical connector from your Mazda mass air flow sensor.

location of MAF sennsor on Mazda
 

Step 4: Remove Mazda MAF Sensor

Remove the screws that hold the mass air flow sensor in place.

 

Step 5: Install new MAF on Mazda

Install the new MAF on your Mazda. Tight the screws so that they are snug. Plug the electrical connector until it locks in place.

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3. Frequently Asked Questions


Mazda Mass Air Flow Sensor Codes

Possible fault codes that may be triggered by a bad mass flow sensor on a Mazda. 

  • P0101 MAZDA Mass Air Flow Sensor Inconsistent with Throttle
  • P0102 MAZDA Mass Air Flow Circuit Low Input
  • P1100 MAZDA Mass Air Flow Sensor Intermittent
  • P0100 MAZDA Mass Air Flow Sensor Signal Out Of Range
  • P0103 MAZDA Mass Air Flow Sensor High Input Signal
  • P0171 MAZDA Lean Air/Fuel Ratio Bank 1
  • P0172..System too Rich (Bank 1)
  • P0173...Fuel Trim Malfunction (Bank 2)
  • P0174..System too Lean (Bank 2)
  • P0175..System too Rich (Bank 2)

How much does it cost to change the mass air flow sensor on a Mazda

To change the mass air flow on a Mazda at the dealership can cost anywhere from $250 to $350 including the parts and labor on a four cylinder Mazda engine. 

On September 7, 2017, we called a Mazda dealer in Pasadena Maryland to get a quote to replace the mass air flow sensor on a 2015 Mazda 3. Here is the cost to change the MAF at the dealer:

  • MAF Sensor: $228 plus tax
  • Labor: $61
When the mass air flow sensor fails your Mazda will not accelerate properly, it may missive and can also trigger the check engine light or service engine light. To confirm that the MAF is the problem, always read the fault codes using an OBD2 scanner.
Yes. You can clean a Mazda air flow sensor using an Air Flow Sensor Cleaner. There is no guarantee that cleaning it will fix the sensor. Cleaning is successful in cases when the sensor has gotten dirty.
At the dealership, it will cost anywhere from $200 to $300. Online the MAF can be bought for as low as $50. Check the online price on Mazda MAF Sensor.
Yes. It is one a simplest Mazda DIY repairs. If you are starting out with DIY auto repair, this will be an easy task to get started.
It is located on the engine air filter housing or the large diameter air intake hose that connects the air clear box to the engine intake manifold.
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4. Conclusion

If your Mazda has been diagnosed with a bad mass air flow sensor don't worry. If you have a few minutes and a screwdriver you can replace the MAF sensor on a Mazda yourself. Follow the instructions found on this guide and let us know if you have any tips or advice that may help fellow Mazda owners. 

 

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Comments

Posted by Gary on Sep 7, 2017 @ 17:10 pm