My dealer made an interesting statement to me. "This code has a history of 59 days in the ECU." I've owned this truck for just over 30 days. That means this code was present when the truck was built (built 04-12-19)
Took the truck in on June 8 for it's 6th check engine light (first time I've taken it to the dealer). They applied the TSB, but within 50 miles, the CE light has returned. If the light is still on when I leave work, I will stop by the dealer to have the code read. I am not in a position to leave...
I could believe a 25hp increase for .2 seconds. Think aerodynamic drag, the faster you go, the harder it is to push through the air. As an example, based on Top Gear's Bugatti Veyron top speed test. It takes 270hp to reach 155mph, but requires an additional 700 hp to reach 253mph.
Now, we...
As I was forced to wait 45 minutes for my truck to be delivered to me, I showed it to the salesman who sold me the truck. He didn't understand the reference.
Fuel pump prime when opening the door ? Well, that's just odd.
I have the same thing. My wife's KIA and my Colorado made similar noises. I just chalked it up to technology schtuff.