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But since the injector is electro-mechanical, it takes time for it to open at that given time. An injector is a mechanical device, so when the ECU have certain timing to open the injector on the intake stroke, the ECU gives a signal to open the injector. This tells the ECU the finally opening pulsewidth on the injector due to battery voltage.At low battery voltages, it takes longer to open the injectors. This 8X1 2D Map is stored in the ECU's memory.
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If you have stock injectors, this parameter remains untouched. The ECU can compensate and adjust to that size. This parameter can be adjusted to which size injectors you are running if you have replaced them with bigger injectors. This scales the size of the injectors, which tells the ECU if you are running 260cc, 330cc, 440cc, 550cc and so on. This tells the ECU what initial pulsewidth throughout the RPM and Load ranges. This 2X1 Data value is stored in the ECU's memory. But the speed it cuts, you would never hit it. On 3rd gen Eclipse GT V6, there is a limiter. Some cars, this is disable, because in the highest gear, you would hit the rev limiter before the maximum speed. A higher rev limit can be achieve.Īdjusts which ground speed to cut fuel to prevent speed. This parameter can be adjusted if you install high performance cams. If it recieves abnormal signals from the knock sensor, then the ECU switches to Low Octane Ignition Map, which the ignition timing is more retard than the High Octane Ignition Map.Īdjusts which RPM that the ECU cuts fuel to prevent the engine from overrevving. If the ECU is happy, and not getting detonation signals from the knock sensor it remains in the High Octane Ignition map mode. When the ECU is reset, it starts from the high Octane Ignition map first upon start up. It runs a little bit more ignition timing for a higher Octane fuel to give maximum performance. The High Octane Ignition Map is stored in the ECU's memory. If it recieves abnormal signals from the knock sensor, then the ECU switches to Low Octane Fuel Map, which is richer than the High Octane Fuel Map. If the ECU is happy, and not getting detonation signals from the knock sensor it remains in the High Octane map mode. When the ECU is reset, it starts from the high Octane fuel map first upon start up. It runs more on the leaner side for a higher Octane fuel to give maximum performance. The High Octane Map is stored in the ECU's memory. I hope I can be a help to the community, since no one offers reprogramming for these cars. We are adding more parameters as we find them and test them. So far this is what we can reprogram on these ECU's:Ĭlosed Loop to Open Loop transition adjustments
![ecu mitsubishi eclipse 2007 tuning ecu mitsubishi eclipse 2007 tuning](https://www.2040-parts.com/_content/items/images/5/590305/001.jpg)
It took alot of work and research and development to crack these ECU's. So I did some research on the ECU's and had some help from a friend in Japan, and Washington State to get documents on these ECU's processors. I've always have wonder why no one reprograms 3rd gen Eclipse and regular Lancer vehicles. We normally specialize in EVOs and Subaru and a few German vehicles. I see that Maxx have introduce himself from MYNES Performance.