Stuck accelerator!!??
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Mountain Pass
Joined: Jun 2007
Posts: 103
Likes: 2
From: Bryan, TX
Stuck accelerator!!??
Has this happened to anyone else? I was driving in a 75-mph freeway zone and accelerated past another car. I let off the gas pedal, but my 2019 Expedition started accelerating on its own. I hit the brake to slow down at which point a message appeared that said something to the effect "Deceleration due to application of Brake", something like that. When I let off the brake, it started accelerating again. I was able to pull over to the shoulder, put it in park at which time the engine started to increase rpms again. I hit the off button, and the engine turned off, thank God! After being freaked out for just a minute, I tried to restart, but the engine just cracked and wouldn't fire, and a message appeared something to the effect, Security All Zones. I had only been stopped for about 3-4 minutes at this point. After referring to my owner's manual, it appeared the message has something to do with the vehicle anti-theft system. I tried opening and closing the driver door, tried resetting the security system from All Zones Sensing to Perimeter Sensing, still won't start. What seemed to work was getting out of the car and opening and closing the liftgate. Then it started and drove like nothing was wrong! Is a stuck accelerator a thing with these cars, or could it be an electronic controller issue?
SPONSOR
Joined: Jan 2025
Posts: 501
Likes: 307
From: White Bear Lake
There is no physical link between the pedal and throttle body. Just sensors and motors. I'd suggest getting it to a dealer for diagnostics.
-Steve
-Steve
Moderator
Joined: Jul 2011
Posts: 6,515
Likes: 671
From: Sioux Falls Area
Check the pedal to see if it is physically sticking. We had a truck at work do that. The pedal would get stuck half way down. Some kind of burr in the mechanism and the pedal had to be replaced.
it’s all electronic, but the pedal is still mechanical and can do mechanical things to fail in mechanical ways.
it’s all electronic, but the pedal is still mechanical and can do mechanical things to fail in mechanical ways.
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