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Previous Thread Next Thread Print Thread Rate Thread IAT Sensor #704865 03/10/06 05:07 AM Joined: Aug 2005 Posts: 49 carnation,washington J josh_jeeper OP Getting the Wheeling Fever i have a 1989 jeep cherokee and i was wondering if i had a IAT sensor???? Also if i do where is it????/ Last edited by josh_jeeper; 03/10/06 05:33 AM. Josh Stefani Re: IAT Sensor [Re: josh_jeeper] #704866 03/10/06 06:17 AM Anonymous Unregistered I know the 91 HO's had an IAT. Your should as well, I don't know where it is. Look on the manifold for a smallish sensor that looks like it is in the air stream, and look on the intake plumbing. A chilton should say where it is if it has one and what excepted values for it are... Re: IAT Sensor #704867 03/10/06 01:51 PM Joined: Jan 2005 Posts: 265 Northern California XJCreeper Mudrunner On the 4.0L MPI motor the IAT sensor is a 2 wire threaded sensor that is screwed into the aluminum intake manifold in front of the throttle body. Here a diagram to help you locate it. If you have the TBI it may not be in the same exact location but in the same vicinity.<img src="/forums/images/graemlins/cheers.gif" alt="" /> 1985 Toyota Pickup 1994 Jeep Cherokee Sport Re: IAT Sensor [Re: XJCreeper] #704868 03/11/06 05:11 AM Joined: Aug 2005 Posts: 49 carnation,washington J josh_jeeper OP Getting the Wheeling Fever Yeah thats for a 1990 or newer i think because of the circle throttle body........but i dont know do you knwo what year it is??? Becuase mine is a 1989 and they have a differnt set up then the 1990 and newer Josh Stefani Re: IAT Sensor [Re: josh_jeeper] #704869 03/11/06 07:09 AM Anonymous Unregistered 91 and newer has the High Output 4.0 EFI engine. The 87-90 4.0 used in cherokee's runs a renix system. IAT is needed to run a good, true, closed loop system. I'm not 100% sure if yours has one, but I'm guessing it does. Look for a sensor on the air box or a sensor on the manifold. If you think you found it, pull it out and eyeball it, Get a good feel for how deep it goes. If it is deep enough to be in the air stream, it's probably an IAT. Moderated by  4x4Wire  Hop To Mitsubishi Forums ------  Mitsubishi 4x4 and SUV Tech  Mitsubishi Diesels  Mitsubishi ArchiveToyota Forums ------  Early Toyota Trucks  Toyota 4Runner, FJ Cruiser &...  T100 & Tundra Forum  Tacoma Forum  Toyota Tech ArchiveJeep Forums ------  Jeep Talk  Jeep TechIsuzu Forums ------  Isuzu 4x4 & SUV Talk  Isuzu 4x4 & SUV Tech  Isuzu DieselsKia Forums ------  Kia Talk  Kia Sportage & Sorento TechOff Topic Chat ------  4x4 Gallery  Off-Topic Chat  Recreational Access & Land ...  Politics4xForums ------  Outdoor Gear  General 4x4 Discussion  Tools and Fabrication  General Communications  Amateur Radio  GPS and MapsParts Bin ------  Private Party - Garage Sale  Private Party - Items wanted  Vendors, Hot Deals, Group Buys4x4Wire Back Yard ------  Suzuki Forum  AZ Crawler Crew  Cal-Nev Crew  General Ford 4x4 & SUV Forum  General Dodge 4x4 & SUV Forum  General Chevy 4x4 & SUV ForumFeedback & Testing ------  Problems, Questions, Suggestions4x4Wire Staff ------  Forum Moderators  Problem Threads Print Thread Switch to Threaded Mode 5 Excellent 4 Good 3 Average 2 Bad 1 Terrible View Profile Private Message Follow User Forum Posts View Profile Private Message Homepage Follow User Forum Posts View Profile Private Message Follow User Forum Posts

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