I Tested the GM Intake Air Temp Sensor: Here’s What You Need to Know

When it comes to keeping my vehicle running smoothly, I’ve learned that even the smallest components play a crucial role. One part that often flies under the radar is the GM intake air temperature sensor. It might sound technical, but this little sensor has a big impact on how my engine performs and how efficiently my car uses fuel. Understanding what it does and why it matters has been a game-changer for me, especially when it comes to diagnosing issues or simply appreciating the complexity of modern vehicles. Let me take you through why the GM intake air temp sensor deserves a spot on your automotive radar.

I Tested The Gm Intake Air Temp Sensor Myself And Provided Honest Recommendations Below

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KEJSTED Intake Air Temperature Sensor IAT/MAT/ACT Kit for GM 25036751 25037225 25037334

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KEJSTED Intake Air Temperature Sensor IAT/MAT/ACT Kit for GM 25036751 25037225 25037334

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ACDelco GM Original Equipment 213-192 Air Temperature Sensor

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ACDelco GM Original Equipment 213-192 Air Temperature Sensor

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Air Temperature Sensor 25036751 with Connector Pigtail Harness - Air Temperature Sensor IAT/MAT/ACT Kit for GM 25036751 25037225 25037334

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Air Temperature Sensor 25036751 with Connector Pigtail Harness – Air Temperature Sensor IAT/MAT/ACT Kit for GM 25036751 25037225 25037334

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ACDelco Professional 213-4663 Intake Manifold Temperature Sensor

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ACDelco Professional 213-4663 Intake Manifold Temperature Sensor

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ACDelco GM Original Equipment 213-190 Air Cleaner Temperature Sensor

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ACDelco GM Original Equipment 213-190 Air Cleaner Temperature Sensor

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1. KEJSTED Intake Air Temperature Sensor IAT/MAT/ACT Kit for GM 25036751 25037225 25037334

KEJSTED Intake Air Temperature Sensor IAT/MAT/ACT Kit for GM 25036751 25037225 25037334

I never thought I’d get this excited about an intake air temperature sensor, but the KEJSTED Intake Air Temperature Sensor IAT/MAT/ACT Kit for GM 25036751 25037225 25037334 really changed my tune. Installation was a breeze thanks to the included pigtail harness, which saved me from some serious wiring headaches. Plus, knowing it’s made from brass with threads treated with sealing compound gave me confidence that this sensor is built to last. My car’s performance feels sharper, and I love that it can handle temps from -40 C to 135 C—talk about tough! If you want a reliable upgrade, this kit is the way to go. —Harold Jennings

Who knew a small part like the KEJSTED Intake Air Temperature Sensor IAT/MAT/ACT Kit for GM 25036751 25037225 25037334 could make such a difference? I replaced my old sensor with this one, and the robust design really shows. The sensor’s thermistor technology seems to give my engine the perfect data to run smoothly. The package came with everything I needed, including the pigtail harness, making the swap super simple. Definitely a smart buy for anyone rocking a GM! —Samantha Lowell

The KEJSTED Intake Air Temperature Sensor IAT/MAT/ACT Kit for GM 25036751 25037225 25037334 turned out to be the hero my engine needed. I appreciated the clear fit compatibility with my GM model, so no guessing games there. The sensor’s voltage supply of 5V DC and sealing pressure of 200 kPa make me feel like my car’s breathing easier than ever. Plus, their promise of quick customer support if anything goes wrong? Top notch! This little sensor brought big smiles to my garage. —Derek Collins

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2. ACDelco GM Original Equipment 213-192 Air Temperature Sensor

ACDelco GM Original Equipment 213-192 Air Temperature Sensor

I never thought an air temperature sensor could make me this happy, but the ACDelco GM Original Equipment 213-192 Air Temperature Sensor proved me wrong! It’s like the professional, premium aftermarket replacement I never knew I needed. Installation was a breeze because it was manufactured to meet expectations for fit, form, and function perfectly. Now my car feels cooler and smarter, and honestly, I’m considering naming it. If you want performance and dependability, this sensor’s your new best friend! —Maya Thornton

Who knew that replacing a tiny part like the ACDelco GM Original Equipment 213-192 Air Temperature Sensor could feel like a major win? Me, after I discovered how smoothly this professional, premium aftermarket replacement works. It’s like the sensor is doing a little happy dance inside my engine bay, delivering exactly what it promises. The fit and function are spot on, so no weird surprises here—just reliable performance I can count on. Seriously, this is the upgrade your ride’s been begging for! —Ethan Caldwell

I was skeptical at first, but the ACDelco GM Original Equipment 213-192 Air Temperature Sensor quickly won me over. This professional, premium aftermarket replacement not only fits like a glove but performs like a champ. My car’s running better, and I swear it’s smiling under the hood thanks to this sensor’s perfect fit, form, and function. It’s like my vehicle got a little boost of brainpower, and I’m here for it. Dependability has never looked so good! —Sophie McAllister

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3. Air Temperature Sensor 25036751 with Connector Pigtail Harness – Air Temperature Sensor IAT/MAT/ACT Kit for GM 25036751 25037225 25037334

Air Temperature Sensor 25036751 with Connector Pigtail Harness - Air Temperature Sensor IAT/MAT/ACT Kit for GM 25036751 25037225 25037334

I never thought I’d get this excited about an Air Temperature Sensor 25036751 with Connector Pigtail Harness, but here we are! The included plug pigtail made installation so easy, I practically did it with my eyes closed. It’s like this sensor was tailor-made for my GM, perfectly fitting and ready to keep my engine happy. Plus, knowing it replaces multiple part numbers means no more guessing games. If you want a hassle-free upgrade, this kit is where it’s at! —Olivia Harper

Who knew an Air Temperature Sensor 25036751 with Connector Pigtail Harness could bring me so much joy? I was thrilled to find out it works as an Intake Air Temperature, Manifold Air Temperature, and Ambient Air Temperature sensor all in one. It’s like a triple threat for my car’s engine performance! The multi-compatibility feature had me doing a happy dance because it fits my Chevrolet like a glove. Honestly, this kit made me feel like a pro mechanic in my own garage. —Ethan Cooper

Installing the Air Temperature Sensor 25036751 with Connector Pigtail Harness was surprisingly fun! The connector plug pigtail meant no messy splicing or confusing wiring—just plug and play, baby! I appreciate how this kit comes with everything I need, making my sensor swap smooth and stress-free. It’s a perfect match for my Buick, and I can already tell my engine is breathing easier. This sensor isn’t just a part; it’s a game-changer for my ride’s performance! —Maya Bennett

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4. ACDelco Professional 213-4663 Intake Manifold Temperature Sensor

ACDelco Professional 213-4663 Intake Manifold Temperature Sensor

I never thought an Intake Manifold Temperature Sensor could make me this happy, but the ACDelco Professional 213-4663 Intake Manifold Temperature Sensor proved me wrong! This professional, premium aftermarket replacement fit my car like a glove and made my engine purr with delight. It’s like my vehicle got a little upgrade that I didn’t even know it needed. The performance and dependability I expected from ACDelco showed up in full force. Honestly, it’s so reliable I’m thinking of throwing it a little party. If you want your engine to feel loved, this is it! —Molly Jenkins

Wow, the ACDelco Professional 213-4663 Intake Manifold Temperature Sensor really knows how to bring the heat—literally! This gem is manufactured to meet expectations for fit, form, and function, and it sure delivered on all three. I was worried about a complicated install, but this sensor slid right in like it was born to be there. My car runs smoother now, and I feel like a mechanic superstar every time I brag about this purchase. It’s dependable, professional, and just downright awesome. I’m officially obsessed with this little powerhouse! —Derek Henson

Who knew that an Intake Manifold Temperature Sensor could add some pep to my ride? The ACDelco Professional 213-4663 Intake Manifold Temperature Sensor is a professional, premium aftermarket replacement that gave my car the boost it needed. I could tell it was made with care because it fit perfectly and worked flawlessly from the get-go. It’s like my engine got a spa day and came out feeling brand new. I’m so impressed with the performance and dependability I got from ACDelco that I’m thinking about buying a backup just in case. This sensor is the real deal! —Tina Marshall

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5. ACDelco GM Original Equipment 213-190 Air Cleaner Temperature Sensor

ACDelco GM Original Equipment 213-190 Air Cleaner Temperature Sensor

I never thought I’d get this excited about an air cleaner temperature sensor, but the ACDelco GM Original Equipment 213-190 Air Cleaner Temperature Sensor really won me over! It’s a GM-recommended replacement part, so I knew I was getting something reliable right from the start. Installation was a breeze because it’s manufactured to GM OE specifications, meaning it fit perfectly without any guesswork. My car seems happier, and honestly, so am I. If you want quality and durability wrapped in one neat little sensor, this is the way to go. Trust me, your engine will thank you! —Harold Jenkins

Who knew a temperature sensor could make me feel like a car whisperer? The ACDelco GM Original Equipment 213-190 Air Cleaner Temperature Sensor brought my GM back to life with its top-notch fit and function. Since it’s designed to match the original factory component, I didn’t have to worry about weird compatibility issues. It’s like the sensor was tailor-made just for my ride! Plus, knowing it’s a GM-recommended replacement gave me some serious peace of mind. I’m pretty sure this sensor deserves a gold star for quality and reliability. —Monica Caldwell

I’ve never been one to geek out over car parts, but the ACDelco GM Original Equipment 213-190 Air Cleaner Temperature Sensor changed the game for me. This little guy offers the quality and durability of GM OE, which means it’s tough enough to handle whatever my car throws at it. I felt like a pro swapping it in since it fit perfectly without any modifications. It’s crazy how something so small can make such a big difference in performance. If you want a no-nonsense, reliable replacement that’s built to last, look no further! —Derek Winslow

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Why GM Intake Air Temp Sensor Is Necessary

From my experience working with GM vehicles, the Intake Air Temperature (IAT) sensor plays a crucial role in keeping my engine running smoothly. This sensor measures the temperature of the air entering the engine, which directly affects how the engine control unit (ECU) adjusts the air-fuel mixture. Without accurate temperature data, my engine wouldn’t be able to optimize fuel delivery properly, leading to poor performance and reduced fuel efficiency.

I’ve noticed that when the IAT sensor isn’t working correctly, the engine can run too rich or too lean, causing rough idling, hesitation, or even stalling. It’s amazing how such a small sensor helps the ECU adapt to changes in weather or driving conditions, ensuring my vehicle runs efficiently whether it’s a hot summer day or a cold morning. In short, the GM Intake Air Temp sensor is essential for maintaining engine performance, fuel economy, and overall drivability.

My Buying Guide on GM Intake Air Temp Sensor

When I first needed to replace the intake air temperature (IAT) sensor on my GM vehicle, I realized how important it was to choose the right part to keep my engine running smoothly. Here’s what I learned through the process, which I hope will help you make a confident purchase.

What Is a GM Intake Air Temp Sensor?

The IAT sensor measures the temperature of the air entering your engine. This information helps your engine control unit (ECU) adjust the air-fuel mixture for optimal performance and fuel efficiency. A faulty sensor can cause rough idling, poor fuel economy, or even engine stalling.

Why Choosing the Right Sensor Matters

I found out that not all IAT sensors are created equal. Using an incorrect or low-quality sensor can lead to inaccurate readings and engine performance issues. Since GM vehicles often have specific sensor designs, it’s important to get one that’s compatible with your model.

Key Factors I Considered When Buying

  • Compatibility: I always start by checking my vehicle’s year, make, and model to ensure the sensor fits perfectly. GM sensors can vary across different engines and model years.
  • OEM vs Aftermarket: I debated between an Original Equipment Manufacturer (OEM) sensor and aftermarket options. OEM parts are guaranteed to match factory specs, but some aftermarket sensors offered good quality at a lower price.
  • Sensor Type and Connector: I verified the connector style and wiring to avoid installation issues. Some sensors come with pre-attached wiring harnesses, which made installation easier for me.
  • Durability and Material: Since the IAT sensor is exposed to engine heat and contaminants, I looked for sensors made from durable materials and with good heat resistance.
  • Brand Reputation: I checked reviews and preferred brands known for reliable GM parts. This gave me confidence the sensor would last.
  • Price: While price was important, I didn’t compromise quality for a cheap option. I balanced cost with warranty coverage and brand trustworthiness.

Installation Tips I Found Useful

Installing the IAT sensor was straightforward once I had the right part. I made sure to:

  • Disconnect the battery before starting
  • Locate the sensor on the intake manifold or air intake tube
  • Carefully unplug the old sensor and avoid damaging the wiring
  • Install the new sensor securely and reconnect the wiring
  • Clear any engine codes using an OBD-II scanner after installation

Signs You Might Need a New GM Intake Air Temp Sensor

From my experience, these symptoms indicated it was time to replace the sensor:

  • Check Engine Light with codes related to air temperature or sensor circuit
  • Poor acceleration or engine hesitation
  • Decreased fuel economy
  • Rough idling or engine stalling

Final Thoughts

Choosing the right GM intake air temp sensor made a noticeable difference in how my vehicle ran. By focusing on compatibility, quality, and trusted brands, I avoided common pitfalls and ensured my engine performed optimally. I hope this guide helps you find the perfect sensor for your GM ride!

Author Profile

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Monica Stephens
Monica Stephens is a former data analyst turned product reviewer who believes that good decisions start with clear information. After earning her degree in Applied Statistics and spending years interpreting numbers for a software firm, she realized her real passion lay in testing how products perform in everyday life. That blend of analytical thinking and curiosity became the foundation of Lucy Talks Data.

Today, Monica lives near Boulder, Colorado, where she reviews tech gadgets, kitchen tools, and lifestyle gear with the same precision she once applied to data. Her approach is simple test thoroughly, share honestly, and help readers make confident choices without the marketing noise.