I installed the new intake yesterday, and the car idles around 630rpm much smoother than before. After 30 miles of driving, the average fuel economy is starting to increase and no codes.

I've had bad luck with local dealerships service departments causing more problems, and many of the broken IMRC misfire warranty fix stories on the forums involve multiple trips until someone can be convinced that the shaft is the problem. I'll do it faster and correctly at home.I didn't want...

To the best of my knowledge a new intake comes with the gaskets, vacuum mechanisms, sensors, etc. That's what the parts guys on the phone said. I tried pulling the broken rod out of the butterflies on the stock intake. It appears to be sealed in on the front end by a plastic welded cap. I...

I've had the P0308 and P0300 (#8 misfire and multiple random misfires) for about a year now on my 2015 GT with about 48,000 miles. I pulled my intake off and found the driver's side IMRC shaft was broken (5,6,7,8 cylinders). My mustang isn't a daily driver, and the codes were clearing up on...

I bought a used 2015 Mustang GT three years ago. It had 20,000+ miles on it. It ran fine for a year and a half. I started getting random/multiple misfire codes every other time I drove it to work. It's never went into a limp mode, but it's annoying seeing the light on almost every time I...

I was waiting to read the natural frequencies/wheel hop reply or I was going to post it.http://www.eng-tips.com/viewthread.cfm?qid=286119

I'm Jason in TN. I bought a used 2015 Mustang GT a few weeks ago. It's mostly going to be a beater and weekend fun car, but I was referred to this site to learn more about the drivetrains and suspension. You never know what you might get into in the future. I previously owned a couple 2005...