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Fuel Injection Air Flow Meters

Located between the engine and the air filter, the mass air flow (MAF) sensor measures the volume and density of air entering the engine. A failing mass air flow sensor can result in sluggish performance, rough idle, poor fuel economy, an illuminated Check Engine light, or possibly a failed emissions inspection. The good news is that it's easily accessible on most vehicles. Shop Advance Auto Parts' inventory of MAF sensors–with trusted brands like Carquest®, ACDelco®, DENSO®, Cardone® and more, we're sure to have one for your ride.

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Part # MAF0034
(14 reviews)
1 yr replacement if defective
Does Not Fit 

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Mass Air Flow Sensor (MAF) - 100% NEW
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Part # MQ6225
(1 review)
limited lifetime replacement
Does Not Fit 

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Air Flow Sensor - New Actual OE Part
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Part # MAF0012
(24 reviews)
1 yr replacement if defective
Does Not Fit 

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Mass Air Flow Sensor (MAF) - 100% NEW
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Part # MQ7387
No Reviews
limited lifetime replacement
Does Not Fit 

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Air Flow Sensor - New Actual OE Part
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Part # MAF0133
No Reviews
limited lifetime replacement
Does Not Fit 

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Home Delivery - Free over $35

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Multi-Purpose Air Sensor
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Part # 23262343
No Reviews
1 yr replacement if defective
Does Not Fit 

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Not Available For This Item

Same Day Home Delivery

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Home Delivery - Free over $35

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Mass Air Flow Sensor (MAF) - 100% NEW
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Part # MQ7236
No Reviews
limited lifetime replacement
Does Not Fit 

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Home Delivery - Free over $35

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Air Flow Sensor - New Actual OE Part
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Part # MAF0037
No Reviews
1 yr replacement if defective
Does Not Fit 

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Not Available For This Item

Same Day Home Delivery

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Home Delivery - Free over $35

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Mass Air Flow Sensor (MAF) - 100% NEW
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Part # MQ6234
No Reviews
limited lifetime replacement
Does Not Fit 

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Not Available For This Item

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Home Delivery - Free over $35

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MASS AIR FLOW SENSOR
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Part # MQ6475
No Reviews
limited lifetime replacement
Does Not Fit 

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Not Available For This Item

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Home Delivery - Free over $35

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Air Flow Sensor - New Actual OE Part
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Part # MAF0114
No Reviews
1 yr replacement if defective
Does Not Fit 

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Not Available For This Item

Same Day Home Delivery

Not Available For This Item

Home Delivery - Free over $35

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Mass Air Flow Sensor (MAF) - 100% NEW
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Part # MQ6378
No Reviews
limited lifetime replacement
Does Not Fit 

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Not Available For This Item

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Not Available For This Item

Home Delivery - Free over $35

Standard Delivery Available

Air Flow Sensor - New Actual OE Part
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Part # MAF0120
(2 reviews)
1 yr replacement if defective
Does Not Fit 

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Store Pickup
Not Available For This Item

Same Day Home Delivery

Not Available For This Item

Home Delivery - Free over $35

Standard Delivery Available

Mass Air Flow Sensor

Your car's engine relies on air, fuel, compression, and spark to run. The mass air flow sensor informs the engine computer of the volume and density of air entering the engine. The computer then uses that information to determine fuel metering strategy, along with readings from other sensors.

A faulty MAF sensor will result in an engine that's hard to start (or may not start at all). It also causes your engine to have rough idle, rough-running and rich-running condition, hesitation, surging, or your engine will stall out after running for a few seconds. Sometimes the MAF sensor can be cleaned, but often it's just easier to replace it since it's usually in a fairly accessible spot. The good news is that a faulty MAF sensor is generally easy to diagnose since it will usually register a trouble code and illuminate the Check Engine light.

Disclaimer: We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.
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