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Thread: 91 gsx ecu

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  1. #1

    91 gsx ecu

    I just got this car from a friend and can't find a ecu for it anyone know what one would work for me? It didn't
    Come with a ecu so I have no numbers

  2. #2
    91 GGSX? pics of the car? where are u located?

    I beleive u can use the ecu from a 91-92 GS, the GSX didnt come turbo, so any DOHC non turbo ECU should work
    Last edited by QnzMostWanted; 07-03-2012 at 12:12 PM

  3. #3
    I'll get some pics it's non turbo auto previous owner said something in fuel circuit was shorting the ecu out and would a ecplise or talon ecu work? Does it matter if I get auto or manual ecu ?

  4. #4
    You are here entirely tooo much!! Galanttuner10's Avatar
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    Auto or manual same ecu, if you get a talon or eclipse ecu it must be a non turbo 2.0 ecu
    2014 Lancer Evo GSR
    1996 Galant S 5 Speed Turbo
    Need a Turbo rebuilt or upgraded--> http://www.thegalantcenter.org/showt...ebuild-Service

  5. #5
    ok could you tell me what numbers would work? heres some pics




  6. #6
    yep, any non turbo 2.0L ECU would work, whether from a Galant, or a T/E/L (Talon, Eclipse, Laser) but it must be a 2.0L, the 1.8L ECU wont work

    good find on the car, same as mine more or less, but urs is AWD

    a little TLC and u will be happy with the car

    if u need any thing, lmk, i have a few parts laying around as well as 4 door cladding (same as the one on the car) and a pair of headlights
    Last edited by QnzMostWanted; 07-03-2012 at 04:12 PM

  7. #7
    What years will work with my wiring? I have the ecu harness out right now lookin for a short. or would a any other harness work

  8. #8
    91-93, 90's were different in the pinouts

    i will be getting rid of my ECU soon due to a project im working on, its a 92 DOHC GS ECU, i'm working on getting it running using the 01 Eclipse ECU

    u can also look for a 91-93 Eclipse ECU as well
    Last edited by QnzMostWanted; 07-03-2012 at 09:13 PM

  9. #9
    You are here entirely tooo much!! Galanttuner10's Avatar
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    D you should go Evo ECU. It's hard to go through the list of all Ecus that will. If you give me your VIN I can run it and get you the correct ECU part number for that car.
    2014 Lancer Evo GSR
    1996 Galant S 5 Speed Turbo
    Need a Turbo rebuilt or upgraded--> http://www.thegalantcenter.org/showt...ebuild-Service

  10. #10
    3g ecu/evo ecu, same thing, im not boosted, why go evo when i can go 3g and just flash when i boost?

  11. #11
    How much would u want for it

  12. #12
    If u wanted the vin it's ja3cx56r4mz001146 http://item.mobileweb.ebay.com/viewi...id=93097920514 Will this one work?
    Last edited by 91gsx; 07-04-2012 at 03:38 AM

  13. #13
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    If u can wait till the end of the month when I move back to my moms house I has a 2.0 non turbo ecu . I will sell it to u
    Nothing is nicer then a early 90's mitsu

  14. #14
    Quote Originally Posted by 91gsx View Post
    If u wanted the vin it's ja3cx56r4mz001146 http://item.mobileweb.ebay.com/viewi...id=93097920514 Will this one work?
    that ECU is for a 1G DSM 2.0L NA FWD (D22A), therefore it WILL work good sir

    but the ECU's released for the 1991 GSX were (6/90-5/91) MD166251 for fed spec, MD166252 for Cali Spec and
    (6/91-5/92) MD172577 for fed spec, MD172578 for Cali Spec

    u will find ur car's release date on the door tag to figure out which ecu u need, also based on ur vin number CAPS shows ur ECU to be MD166250 which is the 1991 (6/90-5/91) Manual Transmission FED SPEC ecu

    GL in ur search
    Last edited by QnzMostWanted; 07-04-2012 at 07:41 AM

  15. #15
    You are here entirely tooo much!! Galanttuner10's Avatar
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    MD166250 is the correct part number. dont go by production date just put that number in ebay and go!
    2014 Lancer Evo GSR
    1996 Galant S 5 Speed Turbo
    Need a Turbo rebuilt or upgraded--> http://www.thegalantcenter.org/showt...ebuild-Service

  16. #16

  17. #17
    u can use the one u found...

  18. #18

  19. #19
    if i wanted to just get a new wiring harness could i use one from a ecplise too or is that different

  20. #20
    its the same...engine harness only....im not sure if the eclipse harness has the wiring for the knock sensor but I know the harnesses are the same, the pinouts for the ECU are the same as well
    Last edited by QnzMostWanted; 07-04-2012 at 07:15 PM

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