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5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

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Old 12-21-2010, 04:20 PM   #1
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WHAT R THE SYMPTOMS OF A BAD INTAKE AIR TEMP SENSOR

JUST CURIOUS ON THE SYMPTOMS OF A BAD AIT (AIR INTAKE TEMP SENSOR)

ANY IDEAS

IM ASSUMING IT CAN FOWEL UP BOTH WAYS,

THINK THE INTAKE TEMP IS WARM WHEN THE CAR IS COLD,
OR THINK THE INTAKE TEMP IS COLD WHEN THE CAR IS WARM,
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Old 12-21-2010, 04:27 PM   #2
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its actually called an IAT (intake air temp) sensor. and a faulty one will set off a check engine light with either a P0113 or P0112 code. someone correct me if im wrong.
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Old 12-21-2010, 04:30 PM   #3
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OOPS

HAHAHA thanks i was pretty close iat... but i was more think of drivable syptoms if any???? would hesitation or anything happen????
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its actually called an IAT (intake air temp) sensor. and a faulty one will set off a check engine light with either a P0113 or P0112 code. someone correct me if im wrong.
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Old 12-21-2010, 04:56 PM   #4
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I had P0113 and I ordered a Honeywell thermistor that has the same specs to replace my thermistor (IAT). I won't have my code reader back til next week so I don't know if it got rid of my code, but I'm assuming it did. If you want to order one of these Honeywell thermistors, the part number is 135-202FAG-J01... just use google's product search to find it.

Not sure about drivability symptoms. The car varies in performance so much anyway (depending on temperature, humidity), so I don't know if it was slowing my car down or not. Buuut, it's nice to have the peace of mind knowing I have a properly functioning IAT.
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Old 12-21-2010, 05:10 PM   #5
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thanks... ill check into it i know the cts has a dramatic change on drivability i thought the ait might as well
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I had P0113 and I ordered a Honeywell thermistor that has the same specs to replace my thermistor (IAT). I won't have my code reader back til next week so I don't know if it got rid of my code, but I'm assuming it did. If you want to order one of these Honeywell thermistors, the part number is 135-202FAG-J01... just use google's product search to find it.

Not sure about drivability symptoms. The car varies in performance so much anyway (depending on temperature, humidity), so I don't know if it was slowing my car down or not. Buuut, it's nice to have the peace of mind knowing I have a properly functioning IAT.
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Old 12-21-2010, 05:15 PM   #6
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thanks... ill check into it i know the cts has a dramatic change on drivability i thought the ait might as well
Sorry if this is a question with an obvious answer, but what are you referring to when you say "CTS"?
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Old 12-21-2010, 05:18 PM   #7
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Oh, and I just noticed you have a 5th gen. This means that your IAT is separate from your MAF (unlike mine), and I don't know if it's the same thermistor. You might want to look into that.
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Old 12-21-2010, 08:44 PM   #8
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"CTS" I thought stood for "Coolant Temp Sensor" sorry I could be wrong though... Yea a 5th gen is what me gots! I never realized the thermistor in the MAF was the "AIT"..... COOL!
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Oh, and I just noticed you have a 5th gen. This means that your IAT is separate from your MAF (unlike mine), and I don't know if it's the same thermistor. You might want to look into that.
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Old 12-22-2010, 06:56 AM   #9
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..ya my ses light just popped on last night and guess what code it was...yuuuup the infamous code p0113!!! my car drives and feels absolutely fine. its funny because i havent had a ses light on since i did my full exhaust(needed 02 simulator). I go out and spend $600 bucks on suspension and steering parts that i didnt necessarily need as of this very minute and as soon as im done picking up the last of the parts(inner tie rods) BANG ses light comes on while driving home.
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Old 12-22-2010, 12:31 PM   #10
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New sensor is like $30 to $40 at the dealer IIRC...just buy one.
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Old 12-22-2010, 12:31 PM
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