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What is a mat sensor?

Updated: 12/7/2022
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11y ago

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MAT = Manifold Absolute Temperature, Measures the temperature of the incoming air charge in the intake manifold.

On the V6 Fiero this is mounted on the air cleaner canister.

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Q: What is a mat sensor?
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Where is the mat sensor on a 1995 Chevrolet Tahoe?

That year did not have a Manifold Air Tempture sensor / MAT sensor, no need for it on the Throttle body injection system.


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Code 25 indicates a MAT sensor. In my case, I have changed the MAT sensor and several other sensors and I still have the intermittent 25 code. I am currently trying to track down a vacuum leak. (Which I should have done immediately after realizing that the sensor wasn't the problem.


Where is the intake air temperature sensor on a 2006 dodge hemi?

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Were is the iat sensor on a 2001 jeep wrangler sport with 4.0 engine?

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There are several temperature sensors on the S-10. Are you talking about the Intake Air Temp (IAT)or MAT (Manifold Air Temp) sensor? are you talking about the Coolant Temp Sensor (CTS)? Are you talking about the Exhaust Gas Temp (EGT) sensor? The IAT/MAT is on the intake manifold before the throttle body. The CTS is on the front of the engine in the thermostat housing. The EGT (if equipped) is on the exhaust manifold close to the head. (So's the O2 sensor)


What does Code 23 mean?

Contact your nearest auto parts store. They should be able to tell you. It depends on the year if it is 86-90 it is you MAT sensor. If it is 91 or later it is your IAT sensor