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...

So im taking apart my engine and my valves on exhaust side are white as snow, while there is a pungent smell of gas in crank part of the block. I know its probably bad rings but could there be any other problems?

Didn’t think I’d be asking for help so soon after joining, but here we are!About 2 weeks ago car started idling poorly on cold starts. A couple days later I got a P0170 code (fuel trim malfunction). Hooked up the scanner and found it running lean under all conditions, by the time the weekend...

I picked up the car Saturday and the car was running fine just wouldn’t move. (Auto trans). Also the car would take forever to Rev up. Well while I was driving it back home the car started sputtering and completely died. I’ve spent all day trying to get it to start. When I crank it all I can...

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...

Hello all, I am a new proud owner of a 1990 eclipse gs turbo. I’ve had the car about a month now and have encountered a fair share of problems but with one persisting that I can’t seem to fix. I bought the car with a rebuilt head, and low miles considering it’s age. To cut the BS I’ll get to it...

Hello all. I am dealing with some strange issues in regards to my narrowband simulation.I was dealing with a lean condition and knock counts as high as 19 under any boost of 10psi or more. I had some Major exhaust leaks which I have fixed, and figured I would toss in a wideband.My friend...