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  1. Engine - Turbo
    Hello All, I am a new member to 3si and recently bought a 1991 dodge stealth TT with 90k miles. It is in very good shape, but has been having some intermittent engine issues that are becoming more consistent. I am going to try to keep this post concise, but it will be a bit of a novel as a want...
  2. Front Wheel Drive - Drivetrain
    I'm planning on doing a manual swap and think I got everything I need listed down, but is there a difference between the ECUs from an automatic and a manual for FWD? I don't really wanna spend the money on some aftermarket ECU and would rather just get one from an old manual. Thanks
  3. General
    Does anyone have a wiring diagram for a 94 sohc stealth from the ecu to data logger port?? Went to wire a new one in and clipped all the wires at once without thinking about it. Now it lights up my reader but doesn't show codes so ik some wires are crossed. >.>
  4. Advanced Technical Discussions
    I have a 91 Stealth SOHC 5spd that I've been having some troubles with. I bought it not running and found that the ecu was bad so I bought a rebuilt one to put in it. This allowed the car to start but it was missing pretty badly and, long story short, after some troubleshooting bought another...
  5. ECU Tuning
    Is it possible to tune a 99 base ecu for a 94 SL? Ive heard the 99 ecu’s are the only ones that are read & write, would it be possible to flash tunes onto that for a 94 SL? One came up for sale around me for $50, would rather spend that than $6-800 on a Jester Chrome if possible. I know tuning a...
  6. General
    Hello all, I just received my ECU back from James at 3sHub after he finished the preventative maintenance and warrantied it. Seeing as I never want to remove/get the ecu worked on again, I would like to know some of the common ways the ecu gets damaged. As of now, the only thing I have read...
  7. Parts Wanted
    My ECU is not repairable. Need refurbished working condition ECU replacement: 1991 VR4 ECU - Part # MD159966. Thanks to the 3SI community for your help ❤️
  8. New Owner Questions
    Tracking down a no start I got no spark from 2 coils so replaced all 6 and did spark plugs but to no avail. From looking on the forums here this can be caused by cam sensor, the PTU or ecu. I took my ecu out there is a little but of leaking capaciters but they are stull attached, I will supply...
  9. ECU Tuning
    Straight to the point boys. How should i go about tuning the ECU to adjust for higher injectors? I got a performance pump and 550cc injectors for my motor. Recently had the old one lock up and swapped it, decided to get the turbo mod done while everything was apart anyway, and the last thing i...
  10. Parts for Sale
    Flashable ECU from a 98 VR4 # MD347250. Circuit board looks good. If you want to flash it for earlier years I believe you'll need an adapter harness, tactrix 2.0 and chrome v2 software. $475 shipped
  11. Engine - Turbo
    So on my 97 vr4 whenever you push it towards 4,000-5,000rpms you can hear the turbos make something like a “s-s-s-s” sound instead of a normal spool. It sounds fine low end but anytime you try to go beyond that it’ll start making that sound. Boost reading should be set at 10psi with a MBC just...
  12. New Owner Questions
    I am new to the car scene and for my first project car I recently bought a 92 dodge stealth rt turbo and the previous owner of the car told me when buying it that he had rebuilt the motor and that the original ecu had fried so he threw a new oem one in it and it hasn’t ran right since and told...
  13. ECU Tuning
    im looking to go single turbo on my NA motor and i didn't want to get a jester because it seemed kind of niche whats your guys favorite standalones/piggy backs was considering maft and running speed density, goal is around 500whp. also are there any pnp standalones for 3s because i looked and...
  14. Engine - Non-Turbo
    Took some pictures of my ECU pulling code 41 with crank no start. Again, still waiting on posting about the whole issue without researching as much as I can with this forum. Any thoughts on this ECU? Caps look good to me. Overall I think the board looks clean but I still have cylinder 3 not...
  15. Engine - Non-Turbo
    Hi all, first post here,, I'm looking to fix this '93 3kgt SL with a code 41. I bought it about a week ago and she hasn't fully ran in a while :( I can't seem to find ECUs with my part number MD188204 (1993 Cali Spec NA) within a reasonable price. What other ECUs within the same age can I use? I...
  16. General
    Hi, i own a 92 gto na. I'm trying to figure out if a ecu i had purchased is right. The ecu that failed was a MD159961 E2T35673T Now the new to me ecu are MD159961 E2T35673M Anybody know what the t and m mean? I don't want to put it in the car and possibly damaged the unit.
    ecu
  17. Parts Wanted
    Looking for functioning and preferably rebuilt 1G ECU for my 92 vr4. Respond below or text 503-330-4318 Thanks.
  18. Engine - Turbo
    Finally got around to pulling the ECU and inspecting. Symptoms I've been having - Hard starting fairly often, has gotten worse lately. (No hotwire so definitely a little click click contributing to the problem). Bucking under load, intermittently. Misfiring at times as well. This issue has been...
  19. Engine - Turbo
    So I've got my stock 1995 VR4, and i was wondering what I would need to buy exactly if I wanted to turn up the boost, like boost controllers, sensors. Like list everything I would need to get to turn up the boost safely on a stock engine block and stock turbos and stuff like that. I don't know...
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