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I have a 2002 hundai santa fe 2.4l with p00113 code,How to check intake air tempeture sensor?

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Before I give you my answer I need to advise you, if you have an aftermarket/performance air intake, it will trip an IAT code pretty often, you will either have to live with it or try to find a "dummy" sensor (a fake IAT sensor designed for cold air intakes that will make your engine computer think the incoming air is a certain temperature) if you dont have an intake:

Chances are if the IAT code is coming up (assuming you do not have a cold air intake system) your IAT sensor is probably bad. There is a very long and tedious process of testing the sensor and the circuit for the sensor, but with the average price of a new IAT sensor being around $12 I pretty much always suggest just replacing the sensor. On your vehicle the IAT is part of the mass air sensor assembly, but can be replaced independanlty, and shouldn't be a very difficult replacement.

Posted on Apr 08, 2015


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    I have a 2001 Hyundai Santa Fe . on vehicle inspection they got a code P0444 and a P0112. any suggestions on what to change to get it to pass?? thanks

    Parts: I assume you have the 2.7 litre engine
    I priced the parts at this website:

    Santa Fe , Air intake temp sensor, 2.7l $11.28
    Santa Fe , Purge valve - 2.7 l $27.56

    The air temp sensor is behind the intake surge tank. I do not have a picture of the sensor by itself.


    The purge valve is under the car by the driveshaft and looks like this


    I do not have specific instructions for replacing these parts, but I think the temperature sensor unscrews. You may want to use a little teflon tape on the new sensor to seal the threads.

    For the purge sensor, remove the vapor hoses and unclamp it from the bracket.

    For each sensor, the connector will have a tab you have to press to get the connector off of the part.

    Let me know if you get stuck or have more questions.

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    The part is a dual purpose part : it is an "intake air temp?MAP" sensor...

    Open hood, look at intake manifold surge tank there in line with throttle body.. See the black square sensor bolted to the tank about the middle, has a 4 wire connector on it..... about in line with cylinders 2 & 3...

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