How to replace Acura Mass Airflow Sensor

In this guide, you will find instructions on how to change the Mass Air Flow (MAF) sensor on 1998-2019 ACURA models.

The mass airflow sensor is very easy to replace and is held in place with two screws.


Typical symptoms that your Acura mass airflow sensor is bad include check engine light coming on, poor engine performance, a decrease in fuel economy and poor throttle response. 

  • ACURA is hard to start or has trouble turning over
  • Engine stalls soon after starting.
  • The engine runs unusually lean or rich at idle.
  • Engine drags or hesitates when at idle or under load.
  • ACURA hesitates or jerks during acceleration.

How to change Acura MAF Sensor

What you will need


Open hood

Open the hood of your ACURA. Pull the hood release which is located under the dashboard on the driver's side.

Open hood of your ACURA model to change the MAF sensor


Locate mass airflow sensor

Locate the mass airflow sensor on your ACURA.

In all Acuras, the MAF sensor is located near the engine air filter housing.

Location of mass airflow sensor on Acura TLX. 

acura mass air flow sensor MDX, NSX, RDX, RL RLX, RSX, SLX, TL TLX,  ZDX, CDX, CL, VSX, EL, ILX, Integra, Legend


Unplug the wire harness

Unplug the electrical connector from your ACURA mass airflow sensor.

unplug acura maf sensor


Remove MAF Sensor

Remove the two Philips screws then pull the MAF sensor out of the housing.

maf acura removal diy


Remove the screws that hold the mass airflow sensor in place.

Install new MAF

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

diy guide how to change mass air flow sensor ACURA model 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019


This guide will help owners of Acura MDX, NSX, RDX, RL RLX, RSX, SLX, TL TLX,  ZDX, CDX, CL, VSX, EL, ILX, Integra, Legend. 

Replacement Cost

Changing the mass airflow sensor at the dealer or auto repair shop varies ranges between $150 and $350.

The cost to change the Acura MAF sensor yourself is between $20 and $120.

Mass Air Flow (MAF) sensor is used to measure the air volume and temperature of air entering the intake manifold.

MAF sensors can fail for various reasons including

  • Dirt contaminating the hot wire.
  • Oil from engine air filters that are oiled.
  • Interior failure of resistor or hot wire.

Does cleaning the mass air flow sensor help? 

Cleaning the MAF sensor is possible but it may or may not work. 

If you like to clean your mass air flow sensor always use MAF Sensor Cleaner.


By YOUCANIC on Aug 6, 2019


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