Reduced Power
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New User
Joined: Aug 2018
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Reduced Power
I have a 2016 F250 Lariat and a few times out of the blue I get a reduced power message and the CEL comes on. I turn the truck off and turn it back on and I get tons of power. It seems like it resets my driving style or whatever. I do have a stealth module plugged in also. I make an appointment with the dealership but they are usually a few days out...and in a day the CEL goes out on its own. I have no idea why it comes on...I did read maybe because of the DEF fluid. It says its full so im not sure.
Fleet Mechanic
Joined: Jan 2016
Posts: 1,804
Likes: 113
The check engine light may be out but there is a code set in the pcm. Call the dealer. and get it checked out. It may have a low fuel pressure problem and if so could destroy the high pressure fuel pump. Call your dealer now for a appointment.
FWIW there is a program called FORSCAN that you can download to your phone or computer and read tons of data on your truck. Do a search here for Forscan and get the adapter and program.
FWIW there is a program called FORSCAN that you can download to your phone or computer and read tons of data on your truck. Do a search here for Forscan and get the adapter and program.
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