1996 Mitsubishi Eclipse gst (16g turbo, ecm link, 750cc injectors, cai, 3 in. Exhaust) So my car has been running rough, has a stumble at idle and lower rpm’s. So I went out and got a used lsu 4.2 and aem Wideband set up. Car ran the same with it in and was around 15:1 at idle. About 5 minutes...

Okay so I have a 1999 Mitsubishi eclipse gsx, it has a 95 computer with a ecm tuning chip (like that when I got the car). Right now everything mechanically and electrically seems good. But my air to fuel ratio is all over the place (has a gauge). Right now it's hard to start, and it has NO...

I have my AEM digital wideband all wired up and working properly (as far as I can tell). The sensor is installed on my test pipe in front of the rear o2 sensor. I am trying to tune for speed density right now before I throw in ID 1050X's, Fuel lab FPR, AEM fuel rail, comp 102s and kiggly SS...