2021 F150 5.0 Cylinder Deactivation

[kevin nicholls]

You can unplug a wire from the driver side floorboard area and you don't have to push the button to de-activate it. Just need to plug it back in before you haul a trailer.

There's a video on YouTube that shows you how to put a jumper wire on the switch. I did it on my 2018 F150 two years ago. You take the tray out on the dash and loosen two screws and remove the switch. If I remember correctly you put a jumper on the brown and white wires. It turns the switch off always and doesn't affect anything else. It took about 5 minutes to do.

[Chadhender]

You can deactivate with forscan and a $10 obd2 connector. I have had mine deactivated for a couple years.

[quackadikt]

There's a video on YouTube that shows you how to put a jumper wire on the switch. I did it on my 2018 F150 two years ago. You take the tray out on the dash and loosen two screws and remove the switch. If I remember correctly you put a jumper on the brown and white wires. It turns the switch off always and doesn't affect anything else. It took about 5 minutes to do.

I’ll have to check that out.


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[TA_Fab]

I know Chevy had issues with the early models but i think they’ve got it figured out now. I’ve got 130k on my 2017 that’s been flawless. I’m sure the Ford will be the same. You should also be able to get a plug in that would deactivate that feature and you’ll have all 8 cylinders running all the time. I know quite a few Chevy guys have done that.


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[silentstalker92]

Intake runners are more problematic than cylinder deactivation

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