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For 1990-1999 Mitsubishi Eclipse, Eagle Talon, Plymouth Laser, and Galant VR-4 Owners. This is where the DSM platform history is documented and archived. Log in to help us in our mission, and to remove most ads from the browsing experience.

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iac valve

  1. General How to program STMPRO ECU to use Mitsubishi IAC

    I have a 1992 Mitsubishi Mighty Max with a 6G72 in it. I have install a STMPRO ECU in it. I am trying to figure out how to program the ECU to use my factory IAC valve. It is a 6 wire IAC. The two red wires are the positive side of 4 coils each controlled from the low side. The ECU is using...
  2. gontijexx

    2G Low voltage on ISC/IAC Pins on ECU

    Hi guys this is my first thread here and I already have an issue with my 2g here in Brazil. my ISC was not working and my car was dying when release the clutch.I decided to buy a new black one, all resistance across the pins are okay in the new one (40 ohms), and I already tested with a 6v...
  3. LA_gst

    Resolved 1G Intake Manifold on a ported 2G 4G63t – Idle Issues & Adjustments?

    Hey everyone,Finally got my car back up and running (sort of). The mechanic installed a 1G intake manifold along with a 1G throttle body, but everything else remained from the 2G setup, including:2G EGR system 2G Idle Air Control Valve (IAC/ISC) (brought over from the 2G throttle body) 2G...
  4. sebas-1024

    1G Diagnosing a non-working IAC Valve in a 92' Galant

    Hello, I posted a few days ago about a reliable brand for an engine coolant temperature sensor and received a lot of help, so I'm back with more problems that I hope you can help me with.The vehicle is a 92' Galant with a 6-bolt 4g63 and an automatic transmission. As far as I understand it the...
  5. SnowmanFD

    Resolved No Start, coolent temp sensor, through it was isc

    (This happened about 3 weeks ago) i was out driving with some friends and went to the car wash, when i went to start the car again it would start then die. a friend of mine who used to drive an rx7 got in and manually idled it then it idled fine and i went home. the next day it would crank but...
  6. Anthony Boni

    1G BEFORE I SEND MY ECU BACK...

    So long story short, I’ve been chasing an ISC issue in my car for several months on and off. I remove the ISC from the car and turn on my power, the ISC just vibrates. This goes for all 3 of the ISC motors I’ve tried. With the car running, the ISC motor starts at 120, slowly descends to 0, then...
  7. 914 Cheeko

    GVR-4 IAC Valve removal problem

    So i was removing my shitty IAC valve that came with the engine from DSM and when i tried slowly pulling it out the whole thing split apart into 3 sections (so far.) The first pic is how it came out once I unscrewed it. The second is what was stuck at first, but slid off. Now I'm stuck with the...
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