AF10127 Delphi Mass Air Flow Sensor
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Delphi Mass Air Flow Sensor | AF10127

Ford Mustang, Explorer 4WD, Focus, Ranger RWD, Ranger 4WD, Explorer RWD, Windstar, E-150 Econoline, Explorer Sport Trac RWD, Explorer AWD & more
Mazda MPV
Mercury Mountaineer RWD, Sable, Mountaineer AWD, Mountaineer 4WD
$114.13
Reg
$118.89
List
$180.71
In Stock Status
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Leaves warehouse within 1-2 business days.
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Make Sure It Fits

P/N: AF10127 Delphi FREE SHIPPING

The mass air flow sensor in your vehicle measures the volume and density of air entering the engine. The vehicle’s engine control module uses this measurement to determine the fuel needed to optimize combustion, engine power, and fuel economy.

Mass air flow sensors fail when they can no longer accurately measure the amount of air entering the engine. Dirty air entering the engine from a poor quality or clogged air filter or oil-contaminated air from a failed PCV valve can interfere with the mass air flow sensor’s ability to measure air. When this happens, the engine control module provides too much or too little fuel, causing excessively rich or lean engine running conditions that make the engine run rough, stall, and not start. If the engine control module determines the mass air flow sensor is faulty, it will turn on the check engine light and provide fuel to the engine based on a predetermined program to limit performance.

Faulty mass air flow sensors should always be replaced to restore engine performance and fuel economy. Unfortunately, mass air flow sensor cleaners often only restore mass air flow function temporarily. The solvent used to clean away dirt and debris from the sensor can erode sensor insulation, causing the sensor to short out shortly after use.

View more Delphi Mass Air Flow Sensors.

Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

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What This Delphi Mass Air Flow Sensor Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

Ford
99-02 - E-150 Econoline Base, XL
Probe Only
99-02 - E-250 Econoline Base, XL
Probe Only
99-03 - Explorer 4WD Eddie Bauer, Limited, Postal, Sport, XL & more
Probe Only
99-03 - Explorer AWD Eddie Bauer, Limited, XLS, XLT
Probe Only
99-03 - Explorer RWD Eddie Bauer, Limited, Postal, Sport, XL & more
Probe Only
01-05 - Explorer Sport Trac 4WD Base, Adrenalin, XL, XLS, XLT
Probe Only
01-05 - Explorer Sport Trac RWD Base, Adrenalin, XL, XLS, XLT
Probe Only
02-04 - Focus LX, SE, SVT, ZTS, ZTW & more
Probe Only; Engine VIN: 5
01-04 - Mustang
Probe Only
01-03 - Ranger 4WD Edge, XL, XLT
Probe Only
01-03 - Ranger RWD Edge, XL, XLT
Probe Only
99-01 - Windstar Base, Limited, LX, SE, SE Sport & more
Probe Only
Mazda
00-06 - MPV DX, ES, LX, LX-SV
Probe Only
Mercury
99-03 - Mountaineer 4WD
Probe Only
99-03 - Mountaineer AWD
Probe Only
99-03 - Mountaineer RWD
Probe Only
00-03 - Sable LS Premium FWD
Probe Only; Engine VIN: S