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Previous Thread Next Thread Print Thread Rate Thread Page 2 of 2 1 2 Re: ECU 90 Montero 3.0 V6 [Re: off-roader] #1059340 05/03/13 12:31 AM Joined: Aug 2009 Posts: 989 Prescott AZ H haztoys Rock Warrior Quote Quote Yah, Idle was off, replaced IAC, then stuff went haywire found bad ECU. So, I'll put in this new ECU and should correct the issues. Thank you all for the help. <img src="/forums/images/graemlins/cheers.gif" alt="" /> Before you replace the new ECU confirm the IAC is still good. The ECU repair places mentioned that a bad ecu can make the IAC go bad and vice versa. The procedure to check the IAC is in the FSM. I don't have access to mine right or I'd post the process here. I think its a chicken and the egg thingy... What kills what or even if one is killing the other ... The people I've spoke to in the ECM Repair World.. Its more of running a bad IAC for a long time that kills the ECM ... Not like the IAC dieds and zaps the ECM instantly.. I was told the IAC will short to ground is what does it.. I've "me" have never come across a IAC that was shorted to ground ... Not saying it cant happen,, true me ...Just I've never come across it ... Re: ECU 90 Montero 3.0 V6 [Re: haztoys] #1059341 05/03/13 12:42 AM Joined: Jan 2000 Posts: 16,227 Bay Area, CA off-roader Web Wheeler Quote I think its a chicken and the egg thingy... I def agree <img src="/forums/images/graemlins/kewl.gif" alt="" /> and that's why he should check it first and make sure the servo's still good before putting the new ecu in. <img src="/forums/images/graemlins/cheers.gif" alt="" /> Off Roader 98 Montero with the Winter Package 89 Montero minty clean and reserved for overlanding trips or Cars and Coffee events 96SR (3.15:1 xcase, 35's) gone to the rust gods 96SR Build Up Thread Old web page Old web page Re: ECU 90 Montero 3.0 V6 [Re: off-roader] #1059342 05/03/13 03:47 AM Joined: Mar 2013 Posts: 43 Seattle WA DuCal OP Getting the Wheeling Fever I have the procedure in front of me. Ill get it done Sunday and post if I have any issues. Thank you Seattle WA... (Everett) 1990 Montero LS OME complete, 2"BL,spray-paint. 1990 Montero LS in the 1st stage of rebuild. 2009 Pilot, Bone stock. "Let me put on my slightly larger glasses". Re: ECU 90 Montero 3.0 V6 [Re: DuCal] #1059343 05/08/13 02:00 PM Joined: Mar 2013 Posts: 43 Seattle WA DuCal OP Getting the Wheeling Fever Ok, all done. Everything checked out. Works perfectly and back in the dirt. I am sending the old ESU out for repair so I have a spare. Thank you for all your help. Seattle WA... (Everett) 1990 Montero LS OME complete, 2"BL,spray-paint. 1990 Montero LS in the 1st stage of rebuild. 2009 Pilot, Bone stock. "Let me put on my slightly larger glasses". Page 2 of 2 1 2 Moderated by  4x4Wire, Macka, Mudraider, off-roader, PHIL_, rxinhed  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 Follow User Forum Posts View Profile Private Message Follow User Forum Posts View Profile Private Message Follow User Forum Posts

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