Question about 1991 Lexus LS 400

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1990 Ls400 IAT sensor?

Could someone tell me where this is located?

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Is located in maf sensor, near air filter

Posted on Apr 15, 2009

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I broke a little plastic thing on the top of my engine on my 1990 lexus LS400 and I do not know what it is. I think it is some kind of sensor.


go to the auto parts store they can most likely tell you what it is and maybe change it for you tip them well

Sep 08, 2011 | 1990 Lexus LS 400

1 Answer

Where is the MAF Sensor and the IAT Sensor on my 99 dodge avenger, i cant seem to find these 2, if someone can kindly instruct me to find, i will be greatly appreciated


IAT is located beside the throttle. This engine does not have a mass air flow sensor the computer uses the inputs from the IAT, MAP (Manifold Absolute Pressure) sensor and the RPM reading to determine what the air flow reading would be.


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I cant find the air intake temperature sensor


on some cars this sensor is located on the air box where your air filter is or on the tube that goes from your air box to the engine

Jun 12, 2009 | 1990 Mazda 626

1 Answer

How do i locate the factory amp in a 1990 lexus ls400


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Mar 30, 2009 | 1990 Lexus LS 400

1 Answer

I cant locate the iat and the maf sensor wires on my car.


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. 

Mar 16, 2009 | 2008 Infiniti G37

1 Answer

IAT Location Buick Regal 1999


iat screws into intake mine has two wires different year though.

Jan 20, 2009 | 1991 Buick LeSabre

1 Answer

IAT sensor


The intake air temperature sensor can be found in the air intake duct, or threaded into the intake manifold depending on which engine you have.

Jul 09, 2008 | 1990 Isuzu Trooper

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