Mazda3/Mazdaspeed3 Engine/Drivetrain Modification Discussions for the Mazda3 and MazdaSpeed3

IAT Sensor

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Old November-4th-2005, 02:42 PM
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IAT Sensor

Hey guys, were the hell is the IAT sensor on the mazda 3. I know it is near the intake hose, but there are two connections by the intake housing that i need to locate. Does anyone have a pic of the engine that they can just point an arrow to the IAT sensor? thanx guys
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Old November-4th-2005, 02:52 PM
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For a protege, it this:
It's the 2 wired plug thing coming out of the upper right side of the airbox. NOT the 3 wired rectangle on the intake tube between the air box and throttle body.

dunno if its the same for mazda3

might help, might not
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Old November-4th-2005, 02:55 PM
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no, i have on plug thing with 3 wires and another with 5
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Old November-4th-2005, 04:03 PM
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ahh.. oh well, i tried
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Old November-5th-2005, 07:28 AM
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IAT sensor is part of the MAF
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Old November-5th-2005, 07:29 AM
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Originally Posted by Jackelope
For a protege, it this:
It's the 2 wired plug thing coming out of the upper right side of the airbox. NOT the 3 wired rectangle on the intake tube between the air box and throttle body.

dunno if its the same for mazda3

might help, might not
For a 2.0L Protege


NOT a 1.6L...We have the IAT incorporated into the MAF

1.6L MAF and any Mazda3 MAF are interchangeable parts
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Old November-7th-2005, 05:47 AM
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learn something new everyday.
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Old November-7th-2005, 12:07 PM
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i still havent had my question answered, why the hell don't i have a wire harness coming out of the IAT sensor with only tire wires coming out of it. I need this bc im putting in a resistor wire for air temp
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Old November-7th-2005, 12:20 PM
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Originally Posted by lhsguy721
i still havent had my question answered, why the hell don't i have a wire harness coming out of the IAT sensor with only tire wires coming out of it. I need this bc im putting in a resistor wire for air temp

Yes you have...the IAT sensor is incorporated into the MAF... the "5 wire thingie"..

btw IAT modding with a resistor is ******* useless....excuse my french.....you WONT get any horsepower out of it....
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Old November-7th-2005, 03:02 PM
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damn o well, well i could still try, what wires am i supposed to use if i decide to try it
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