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...

Ok so I just want to see if someone has any new ideas.1997 GST, 4g63t, pretty much stock (16g turbo, and thats it). I bought this thing barely working (engine harness is a mess, im fixing it as I go) but anything I do seems to make it worse and worse, im getting scared of touching it tbh.Te...

Hello, I have a 1997 GSX. Car seems to be running rich. It smells a lot like gas at idle. I had a check engine light and replaced both O2 sensors. Ive driven the car like 3k miles and check engine light no longer comes on, but the smell of gas is still present. Monitors do not set. I smoke...

Alright everybody, I have got my dsm still sitting in the garage after over a year and think I'm dang close to finishing it. However, there are a few more specifics that I'm getting hung up on before actually having be a somewhat reliable daily driver. Mostly just trying to figure out fuel...

At first I thought it was a vacuum leak, but now I think it's running really rich I can smell little bit of gas. I'm almost out of gas I should have enough to run down to the gas station. I just need an answer to what's going on. You must be registered to see element.

Not sure if this is the correct spot for this but....I just installed a freshly built motor into my spyder with the same injectors that came out of the old motor. Car starts and idles great and would seem to be right around 14.5 but when I give it a rev it dips down to below idle speed and...

1). No boost, vac, or You must be registered to see element. leaks. No noticeable leaks 2). Verify mechanical timing. Fresh timing belt, properly setup 3). Verify base timing. 5° 4). Ignition system. 028, NGk br7es 5). Motor health. Fresh Build, about 1k kms on it 6). Basic You must be...

As you can see in the attached log, my fuel trims are all messed up and the car idling in closed loop the a/f ratio ranges from the high 12's to low 16's. I've messed around with my global fuel (currently running low impedance RC 1200cc's, tried using the value of 1200 in injector calculator as...