Just wanted to tell let everyone know that I've had some luck. I edited the post.

After the first time it happened I thought it was related to the battery/PCM relay. Thought it was a fluke.

I have both ECM's still. I can send them both to you.

2012 F150 3.5L Ecoboost

This problem happened to me twice now. In December 2018 I was adjusting the WOT 4K setting in a parking lot, it was rainy/snowy and cold. I adjusted the fuel level to be %10 lean.

Dead ECM #1:

The i3 tuner went through it's usual backup and wrote the file %100 compete but ...

2012 Ford F150 3.5L Ecoboost

I have this problem with all of the tunes. Right now I'm using the MPG boost tune. Between 4500rpm and 5000rpm the power fades and feels like it's surging. I've had this problem for a while, happens under load almost every time from 2nd gear to third.

This does not happen with the stock tune.

The ...

Hello, I flashed my 2010 Silverado and the tune works well but the cruise control isn't working. I have larger tires on the vehicle so I changed the tire size. The cruise control works no issues without the flash. Also the traction control light came on once and then went off. I'm not sure if this ...

Hello

I noticed in the ignition updater that it asks me if I'd like to purchase another Ford license for $149 or another GM license. Will I be able to tune my friends 2010 Silverado 1500 4.8 with my i3 8145? I noticed that the default i3 unit for the chevy/gm is the 8245.

Let me know, thanks.

Here are a few more logs running 93 octane gas and program.

The truck does not surge when running stock tune and I cleaned the sensors.

Thanks

Here is a log I tried today, should have some hard acceleration in there.

THIS ISSUE IS SOLVED! See my other post in this forum.

Hello

I'm experiencing what feels like little surges of power from the truck after about 45mph full throttle acceleration. Mini surges on the 87 octane program. I was experiencing misfires with the stock plugs so I put in 0.032" gaped NGK ...