Hesitation before accelerating

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Jun 13, 2017 | 12:12 PM

dsamuels

Thread Starter

New User

Joined: Jun 2017

Posts: 2

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Hesitation before accelerating

When I'm on the highway and push the accelerator down quickly, there's a significant delay in the transmission speeding up the car.

What gives?

Jun 14, 2017 | 03:02 PM

Fmc4lfe

Senior User

Joined: Oct 2016

Posts: 185

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Maybe lag, these ecoboost respond better to just rolling into the throttle. No need to floor it like old school v8 trucks all your power is down low.

Jun 14, 2017 | 09:55 PM

ad2435

Junior User

Joined: Feb 2005

Posts: 90

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I have a 15 for 2.5 years and never was really happy with how the tranny responds. Too much herky jerky. I also back into my driveway and there is always a delay from drive to reverse when the pedal is pressed while in reverse. There is tons of power no doubt but some of the software decisions that the transmission makes is frustrating.

Jun 15, 2017 | 12:45 PM

glockholiday

Laughing Gas

Joined: Oct 2013

Posts: 861

Likes: 7

From: AZ

I always drive mine in tow haul mode. Way better response at all times. The trans is definitely programmed to be soft and smooth, a little too much for most of our tastes.

Jun 15, 2017 | 07:31 PM

Fmc4lfe

Senior User

Joined: Oct 2016

Posts: 185

Likes: 0

Also run 93 octane crazy difference, all we run in our eco trucks and new navi

Jun 16, 2017 | 04:56 PM

glockholiday

Laughing Gas

Joined: Oct 2013

Posts: 861

Likes: 7

From: AZ

Tried 91 a couple times instead of 87, no noticeable change for me in drive-ability or mileage. Manual says 87, that's all it needs.

Jul 16, 2017 | 02:01 PM

rbushnell52

5th Wheeling

Joined: Jun 2017

Posts: 40

Likes: 1

I have a 2015 Expo Plat 2wd, had the same hesitation problem, my ford garage reprogrammed the pcm and problem went away. At the same time fixed another problem....when accelerating to enter interstate would hear a bunch of clicking noises and a cloud of carbon would come out back. After reprogramming pcm that stopped as well. Fuel mixture wasn't right. From what I've read you should get pcm reprogrammed every once in awhile cause Ford is always changing the programming.

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Jul 16, 2017 | 10:39 PM

johnkn

More Turbo

Joined: Aug 2009

Posts: 504

Likes: 1

Easy fix. Here's the EZ button:

Throttle Calibration

Throttle calibration can substantially improve throttle responsiveness over "factory standard." Many people notice what appears to be sluggish throttle response or a "dead area" at initial accelerator depression. Throttle calibration can take care of these.

1) turn the key in the ON position (don't start the engine)
2) press the gas pedal down slowly all the way down
3) let go of the gas pedal fast so it come back up
4) turn key into the OFF position
repeat steps 1-4 two more times then start engine.

Most drivers notice an immediate change in throttle response, but depending on your driving style, you may need to repeat this procedure periodically due to the computer's adaptive programming. You likely need to repeat this procedure any time the battery is disconnected.

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