Question about 1994 Chevrolet S-10 Blazer

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Cant find the iat sensor on 91 s10

I just bought a performance chip for my 91 s10 with a 4.3 tbi a/c 2wd. instructions say that i need to locate my iat sensor and that is my problem.

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    location of IAT sensor on 3.6 V6

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The IAT or MAT sensor (as equipped), is a thermistor (resistor which changes value based on temperature) mounted either in the air intake snorkel or the manifold (depending on the application).

Posted on Jan 04, 2009

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1 Answer

Where is iat sensor on 2006 toyota tacoma 4.ol 4door located ?


This is the 2001-2012 Toyota Tacoma wiring diagram, Toyota Tacoma IAT (Intake Air Temperature) Sensor Location and the Toyota Tacoma MAF (Mass Air Flow) Sensor Location, also included is a pinout of the sensor. You are likely installing a performance chip or a cold air intake kit for increased HP (Horsepower). You will want to be sure to disconnect the car battery before adding performance products.




Here is the Toyota Tacoma's Iat sensor diagram:




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Hi Terry:
The IAT sensor is a thermistor which supplies intake air temperature information to the PCM. The IAT is located in or near the air intake duct.

3_1_2012_3_27_41_pm.jpg

Fig. 1: On VIN 8 engines, the MAT (or IAT) is mounted in the intake plenum


3_1_2012_3_28_07_pm.jpg

Fig. 2: On most vehicles, the IAT sensor is threaded into the throttle body extension

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

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The IAT is integrated with the MAF sensor on the 09 Fusion. The MAF is located near the air box on all three engines. on the driver's side, and will be held to some part of the intake tubing by 2 torx screws. http://media.photobucket.com/image/2009%20Fusion%20MAF/itsamecameron/fusion4cylengineMAF.jpg 2.3L shown, 3.0 and 3.5 should be similar.

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The IAT sensor is along the intake tube before the throttle body. If your planing to buy the performance chip from EBAY or any other place, save your money. You can go to Radio shack and it will cost you less then $3.00 for the resistor needed to make your own "performance Chip" IF you like you can use and 10K ohm potentiometer wire it through to the IAT sensor wire harness so you can adjust your timing for the type of fuel you want to use or how much performance you want out of your engine. Here is a link to the installation of the resistors and the different resistor's you can use or like me use a Potentiometer. Note if the timing is to high on hot days, the knock sensor may trigger and the engine will power down 15% till next start up. Good luck and hope this helps. http://kingenterprises.net/IAT-Timing-Tricker.htm

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I can tell you that the mass air flow sensor is up front on the drivers side of the engine. It will be located on top of the round black tube that runs behind the air cleaner box. The IAT, or the IAC valve should be located closer to the engine towards the end of that same tube. That's where the throttle body is located. I would suggest going to your local library and referencing a Mitchell or Chilton repair manual if there is one available for that new of a model. 

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