1998-2004 Dodge Durango Intake Air Temperature Sensor Guide
Fix poor mileage and a check engine light on your Durango by understanding, diagnosing, and replacing the IAT sensor.
- Always inspect the sensor's wiring and connector for damage before replacing the part, as this is a common failure point on Durangos.
- A faulty IAT sensor will cause a check engine light and will result in a failed smog or emissions test.
- Replacement is extremely easy, taking less than 30 minutes, and is a great DIY repair for beginners.
- Quality aftermarket brands like Standard Ignition offer a reliable and cost-effective alternative to the OEM part.
Is Your Durango Running Rough? It Could Be the IAT Sensor.
If your 1998-2004 Dodge Durango is suffering from bad gas mileage, a rough idle, or has the check engine light on, a small and inexpensive sensor could be the cause. The Intake Air Temperature (IAT) sensor is a common failure point, but it's also one of the easiest to fix yourself.
Check the Wires First!
Before you buy a new sensor, carefully inspect the wiring and the plastic connector that plugs into it. On these Dodge trucks, the wires can become brittle and break, or the connector can get damaged. This is a very common problem and will cause the exact same symptoms as a bad sensor, including a P0113 check engine light code. 🎬 Watch: How to troubleshoot and fix a P0113 code A new sensor won't fix a wiring problem.
Choosing the Right Aftermarket IAT Sensor
When replacing the IAT sensor, you don't necessarily need to buy the expensive OEM part from a dealer. Quality aftermarket parts can offer the same performance for a fraction of the price. For this specific part, reliability is more important than brand name prestige.
Brand Quality: Standard Ignition vs. True Tech
- Standard Ignition (Standard Motor Products): This is a well-established aftermarket brand known for producing reliable, OE-quality replacement parts. They are a trusted choice for sensors and other electronic components and are widely available.
- True Tech: Search results for "True Tech" as a parts manufacturer are not clear. The name is commonly used by auto repair shops. While a part from this brand may function correctly, Standard Ignition is a more widely recognized and vetted manufacturer in the aftermarket sensor industry.
Pro Tip: Replacing the IAT sensor is a simple twist-and-pull or screw-in job that takes less than 15 minutes with basic tools. It's located right on top of the intake manifold, making it a perfect DIY task for any skill level.
🎬 See this quick step-by-step IAT sensor replacement walkthroughCost of Replacing the IAT Sensor
| Part Type | Estimated Cost |
|---|---|
| New Aftermarket (Your Cost) | $22.32 - $47.35 |
| New OEM (Mopar) | $20 - $55 |
| Shop Labor | $50 - $100 |
Frequently Asked Questions
Where is the IAT sensor located on my Durango?
On the 1998-2004 Dodge Durango with either the 4.7L or 5.9L V8 engine, the IAT sensor is located on the intake manifold, typically on the driver's side near the throttle body. 🎬 Vea cómo ubicar el sensor en el motor 5.9L It is a small, black plastic sensor with a two-wire electrical connector.
Can I clean my IAT sensor?
Sometimes, the sensor tip can get dirty with oil or carbon, which can affect its reading. You can try cleaning it gently with a dedicated Mass Airflow (MAF) sensor cleaner. However, if the sensor has failed internally, cleaning will not help and replacement is necessary.
Will a bad IAT sensor cause my Durango to not start?
It can cause hard starting, especially in cold weather, because the computer can't create the right rich fuel mixture for a cold engine. While a complete no-start is less common, it is possible if the readings are far enough out of range.
What do the check engine codes P0112 and P0113 mean?
These are the most common codes for a faulty IAT sensor. P0113 means the sensor circuit is reading high voltage (the computer thinks the air is extremely cold). P0112 means the sensor circuit is reading low voltage (the computer thinks the air is extremely hot). Both point to a problem with the sensor or its wiring.
Helpful Videos
Technical Specifications
OEM Part Numbers: 56027872 56028364AA 5149182AA
The Intake Air Temperature sensor is a two-wire thermistor that changes its electrical resistance based on the temperature of the air passing over it. It typically installs into the intake manifold with a quarter-turn lock or screw-in threads.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
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