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1999 Mercury Grand Marquis
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Lifetime Replacement
1999 Mercury Grand Marquis

1999 Mercury Grand Marquis IAT Sensors

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IAT Sensor -
Replacement
IAT Sensor -
Part Number: RM54100001
Guaranteed to Fit
$8.98
Vehicle Fitment
  • 1999 Mercury Grand Marquis All Submodels All Engines
Product Details
Warranty : 1-year Replacement unlimited-mileage warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Phthalates, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number : AX25, F5AF12A697AA, F5AZ12A697AReplaces OE Number : F5AF12A697AA, F5AZ12A697AReturns Policy : 30-Day Return Policy
Standard OE Replacement IAT Sensor - Direct Fit, Sold individually
Standard®
Standard OE Replacement IAT Sensor - Direct Fit, Sold individually
Part Number: SIAX25
Guaranteed to Fit
$15.99
Vehicle Fitment
  • 1999 Mercury Grand Marquis All Submodels All Engines
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementInterchange Part Number : RM54100001Product Fit : Direct Fit
Motorcraft OE Replacement IAT Sensor - Direct Fit, Sold individually
Motorcraft®
Motorcraft OE Replacement IAT Sensor - Direct Fit, Sold individually
Part Number: MIDY720
Guaranteed to Fit
$55.99
Vehicle Fitment
  • 1999 Mercury Grand Marquis GS 8 Cyl 4.6L
  • 1999 Mercury Grand Marquis LS 8 Cyl 4.6L
Product Details
Quantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Motorcraft OE ReplacementProduct Fit : Direct Fit
Standard OE Replacement IAT Sensor - Direct Fit, Sold individually
Standard®
Standard OE Replacement IAT Sensor - Direct Fit, Sold individually
Part Number: SITX12
Guaranteed to Fit
$22.99
Vehicle Fitment
  • 1999 Mercury Grand Marquis All Submodels All Engines For HVAC System, For Outside Temp
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementReplaces OE Number : AE5Z-12A647-A, AE5Z12A647AProduct Fit : Direct Fit
Page 1 of 1 | Showing 1 - 4 of 4 results

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Standard Standard OE Replacement IAT Sensor - Direct Fit, Sold individually
$22.99( Review)
Works great
Eric L.
VERIFIED PURCHASER

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Product Questions & Answers

Standard Standard OE Replacement IAT Sensor - Direct Fit, Sold individually
$22.99
Q:where is this sensor located?
A shopper
A:BEST ANSWERHi, The IAT (Intake Air Temperature) sensor measures the air temperature that is going into your intake manifold. This sensor is usually located in the air intake boot, but it may also be located in the air cleaner housing or intake manifold. Show less
Grace G.
 
3 Questions, 1 AnswerView all Q&As >

Helpful Automotive Resources

P2199 Code: Intake Air Temperature Sensor 1/2 Correlation
P2199 Code: Intake Air Temperature Sensor 1/2 CorrelationVehicles have more than one intake air temperature sensor, and their location may vary depending on the vehicle’s manufacturer. Most IAT sensors can be found in the air intake pipe or air filter housing. A different design is built into the housing of the mass air flow sensor.
P0110 Code: Intake Air Temperature Sensor 1 Circuit (Bank 1)
P0110 Code: Intake Air Temperature Sensor 1 Circuit (Bank 1)The IAT sensor is a negative temperature coefficient (NTC) thermistor that decreases in resistance as the temperature of the sensor increases. Its purpose is to measure the temperature of the air entering the engine and provide this data to the PCM.
8 of the Most Important Car Sensors You Should Know About
8 of the Most Important Car Sensors You Should Know AboutAs a driver, you must know what these sensors are and how they contribute to your vehicle’s performance. Here are some of the most common car sensors you should know about. Oxygen Sensor The oxygen (O2) sensor measures the exhaust’s oxygen content.
P0111 Code: Intake Air Temperature Sensor 1 Circuit Range / Performance (Bank 1)
P0111 Code: Intake Air Temperature Sensor 1 Circuit Range / Performance (Bank 1)The IAT sensor is a thermistor. Its resistance decreases as its temperature increases. As the temperature rises, the sensor becomes more electrically conductive. It is usually a two-wire sensor that has one wire supplying voltage to the PCM, while the other is a ground.
P0097 Code: Intake Air Temperature Sensor (IAT) Sensor 2 Circuit Low (Bank 1)
P0097 Code: Intake Air Temperature Sensor (IAT) Sensor 2 Circuit Low (Bank 1)To be specific, this code may be logged once the PCM detects that the air temperature reading in sensor #2 is unusually high (causing low voltage resistance) when the engine temperature is low. Bank 1 refers to the side of the engine that contains the #1 cylinder. Code P0097 may
P0098 Code: IAT Sensor 2 Circuit High (Bank 1)
P0098 Code: IAT Sensor 2 Circuit High (Bank 1)Read our technical discussion about the IAT sensor and how it can trigger codes like P0098 to get more information that can help you fix the issue.