How to remove and install the Air Temperature Sensor and Mass Air Flow Sensor on Mazda 3?

Remove the battery cover and disconnect the cable from the negative battery terminal. Next, remove the upper engine cover by pulling it up from each side and lifting it off the mounting posts in the center. Then, take out the battery air inlet duct. Disconnect the electrical connector from the MAF/IAT sensor, followed by removing the MAF/IAT sensor mounting fasteners and taking the sensor out of the air filter housing. Installation is the reverse of removal.

Genuine Mazda 3 Mass Air Flow Sensor

MAF Sensor Meter

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5 Mass Air Flow Sensors found

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Mazda 3 Mass Air Flow Sensor Part Number: PE01-13-215
$217.95 MSRP: $290.65
You Save: $72.70 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Air Flow; Mass Air Flow Sensor
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2012-2018 Mazda 3 | Grand Touring, i, i Grand Touring, I Sport, i SV, I Touring, Mazdaspeed, S, s Grand Touring, s Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Mass Air Flow Sensor Part Number: L3K9-13-215-9U
$240.86 MSRP: $321.21
You Save: $80.35 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Air Mass Sensor
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2007-2013 Mazda 3 | Mazdaspeed, S | 4 Cyl 2.3 L GAS
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Mazda 3 Mass Air Flow Sensor Part Number: L321-13-215
$267.11 MSRP: $356.23
You Save: $89.12 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Air Flow; Air Mass Sensor
- Replaces: ZL01-13-215, ZL01-13-215R-00
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2004-2013 Mazda 3 | i, Mazdaspeed, S, SP23 | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Mass Air Flow Sensor Part Number: PYFS-13-215
$268.39 MSRP: $357.92
You Save: $89.53 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Air Flow; Air Mass Sensor, Mass Air Flow Sensor
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2024 Mazda 3 | 2.0, 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Mass Air Flow Sensor Part Number: HF01-13-215
$272.63 MSRP: $363.57
You Save: $90.94 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Air Flow; Air Mass Sensor, Mass Air Flow Sensor
- Replaced by: HF01-13-215A
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2021-2024 Mazda 3 | 2.5 Carbon Turbo, 2.5 Turbo, 2.5 Turbo Premium Plus | 4 Cyl 2.5 L GAS

Mazda 3 Mass Air Flow Sensor

The Mazda 3 Mass Air Flow Sensor is essential since it informs the engine computer of the precise volume of air that is entering the intake to ensure that the fuel mixture remains optimal in terms of power, economy, and clean emissions. Its Skyactiv tuning, which is a signature of Mazda engineering, relies heavily on precise airflow information, which is taken based on shifts in altitude, temperature, and barometric pressure. The method applied in the early generations was the vane meter, in which an airstream flap is moved by a spring-loaded flap door, and a potentiometer is applied to convert flap angle to an electrical signal, but this type of moving door somewhat limits the flow and may wear out with time. The later model 3 switches to the hot wire Mass Air Flow Sensor approach in which a small wire is kept heated with electricity, and the current required to hold the temperature of the wire is measured, and it eliminates any moving parts and is quicker to respond and also gives the engine an easier time breathing. Other newer units have a hot film Mass Air Flow Sensor element to enhance oil mist resistance. They all aim at the same result, accurate metering, and a clean Mass Air Flow Sensor is essential since one contaminated with dirt or oil will give false data to the computer and result in rough idle, hesitation, or poor fuel economy for any Mazda engine. Keeping an eye on any performance decline or a glowing red light will allow Mazda owners to fix the problems in a short time without losing the vibrant nature that their car provides.

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Mazda 3 Mass Air Flow Sensor Parts and Q&A

Mass Air Flow Sensor
L3K9-13-215-9U
Q: How to remove and install the Air Temperature Sensor and Mass Air Flow Sensor on Mazda 3?
A:
Remove the battery cover and disconnect the cable from the negative battery terminal. Next, remove the upper engine cover by pulling it up from each side and lifting it off the mounting posts in the center. Then, take out the battery air inlet duct. Disconnect the electrical connector from the MAF/IAT sensor, followed by removing the MAF/IAT sensor mounting fasteners and taking the sensor out of the air filter housing. Installation is the reverse of removal.