2013 Acura ILX Mass Air Flow Sensor Replacement

A mass air flow sensor monitors the amount of...

iFixit Library 2013 Acura ILX Easy 10 - 15 minutes Guide 115277

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Guide overview

Before you begin

A mass air flow sensor monitors the amount of air entering the engine in order to gauge how much fuel is needed for the perfect air/fuel ratio. For this reason, it’s important for it to function correctly. This guide will walk you through the process of replacing the mass air flow sensor from start to finish.

Step 1

Repair step

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Disconnect the battery terminals by first loosening them with a 10 mm wrench.
Always remove the negative terminal first to prevent shorting to ground and possibly causing shock or even a fire.
Make sure the car is off and the the key is out of the ignition.

Step 2

Repair step

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Squeeze the clip on the top side of the wiring connector and pull out to remove it.
Do not touch the connections with your fingers, it may bend the needles and cause malfunction.

Step 3

Repair step

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TOOL USED ON THIS STEP Phillips #2 Screwdriver Referenced by the iFixit guide

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With a Phillips screwdriver, unscrew the two bolts that hold the sensor in place.
Pull the sensor up slowly to take it out of its casing

Step 4

Repair step

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With a cloth towel, clean the surface from any dirt or oil.
Try not to have anything fall into the opening where the sensor is positioned.

Step 5

Repair step

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TOOL USED ON THIS STEP Phillips #2 Screwdriver Referenced by the iFixit guide

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Insert the new sensor and secure it down using the Philips screwdriver.

Step 6

Repair step

⌕

Connect the wiring harness back on the sensor.