high idle

I've searched many many threads but I don't think I have found proper guidance for this. I have a 2002 mustang 4.6l, AT, stock, no tune, no codes. I've had this issue for several years now and learned to live with it but am reaching out for any help. Likely some type of idle problem but the...

Recently purchased an 01 GT. When I bought it, it had a timing issue. I have replaced the Tensioner, chains, and guides and put it back together. When I Crunk it up for the first time, it revved at 4000rpm. Now any time I crank it, it goes to 3200 rpm and settles at 2600rpm. I don't leave it...

Hey everyone, I have an 89 GT. When I have it idling with the clutch out (pedal not pushed in) it will always rev up to like 3000 and stay however when it idles with the clutch pushed in it idles fine. I know the mods don’t have anything to do with it because it was doing this last year before I...

Hey guys, I own a 2002 automatic mustang gt with: flow master CAI flow master H pipe just had an engine swap done with a rebuilt 78mm bbk throttle body SCT/Bama tune I’ve had about 900 miles since rebuild. Originally when I got the Car back from the engine install it had the same problem, 2k...

Hi, Some of you know me from this forum but those of you who don't here is my issue. I've spent a lot of time troubleshooting this and I'm about to give up and have someone professionally tune my mustang. I've been working on this same issue since last fall just about every week. Shows you...

Hey guys, Ive been lurking on this forum for awhile trying to figure out this issue but Im at the point where I have no idea what else to do. So Ive got an 01 Cobra that has the 1500+ idle surge problem. Im pretty sure Ive done all the fixes that I found here. I replaced the TPS and IAC. I...

Thanks first off to all you guys who take the time to read these and reply. Moving on, I just bought my first mustang. It's a 1994 GT Convertible Auto. I just ordered and got in Moog Racing Wheel Bearings and assembly, B&M Shift Kit, Cardone Select Mass Air Flow Sensor, and it already has a...

My poor cobra (1994). I am going to make a list here hopefully I can get some insight. 1. I need a motor for the odometer, but cannot find it. This guy wanted to charge me $425 to fix it but refused to sell me just the motor. I replaced the gears and it worked for 0.2 miles and went out so I...

I've recently purchased a 2000 saleen series ii mustang that is: Running rich Idling at high rpms (1,500) Sputters at lower rpm band When I plug in my obd2 I'm getting "Malfunction indicator lamp (MIL) status Off", so I can not check for any error code, which is frustrating or a at least it...