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Slight engine vibration.

Asphaltman

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I have a 3.5l and can feel a slight vibration when at idle. Seems to lessen when the ac is off, but not sure the issue is connected. Not super obvious to feel, but any owner could feel it. Easy to see if you have a water bottle as you can see the vibration in the water. Any ideas? Been running premium to rule out fuel. Seems to have started around 1600 miles and slightly worse now around 2200
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Dadofjax

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I have the same issue but I wouldn't call mine slight by any means. The dealer I bought it from said the computer shows the idle is fine. I have an appointment in August to fix another issue with my F150 and the new dealer is going to look at the vibration. Here is a video I took, no way this is "fine".

2021 F150 3.5 Ecoboost vibration - YouTube

Do you also have vibration in the peddle when you drive?
 

Coolrain

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I have the same issue but I wouldn't call mine slight by any means. The dealer I bought it from said the computer shows the idle is fine. I have an appointment in August to fix another issue with my F150 and the new dealer is going to look at the vibration. Here is a video I took, no way this is "fine".

2021 F150 3.5 Ecoboost vibration - YouTube

Do you also have vibration in the peddle when you drive?
Although it is highly unlikely.... IF the dealer has another 3.5 on the lot make them do a comparison and then say its "ok"
 
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Asphaltman

Asphaltman

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I have the same issue but I wouldn't call mine slight by any means. The dealer I bought it from said the computer shows the idle is fine. I have an appointment in August to fix another issue with my F150 and the new dealer is going to look at the vibration. Here is a video I took, no way this is "fine".

2021 F150 3.5 Ecoboost vibration - YouTube

Do you also have vibration in the peddle when you drive?
That’s interesting, I’m gonna take a look at mine tomorrow and see if I can see it in the doors like you had in your video. So far I just felt it at idle and the only thing I’ve been able to see it with is a bottle of water. When I shut off the AC it reduces but it’s still there. I don’t feel it at all when I accelerate or anything like that.
 
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Asphaltman

Asphaltman

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I have the same issue but I wouldn't call mine slight by any means. The dealer I bought it from said the computer shows the idle is fine. I have an appointment in August to fix another issue with my F150 and the new dealer is going to look at the vibration. Here is a video I took, no way this is "fine".

2021 F150 3.5 Ecoboost vibration - YouTube

Do you also have vibration in the peddle when you drive?
Ive recently noticed that it only seems to do it in gear. I haven’t been back to the dealer yet.
 

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Asphaltman

Asphaltman

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Has anyone experienced the vibration at idle Recently?
 

AFK86

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Has anyone experienced the vibration at idle Recently?
Yes, going to dealer tomorrow for vibration at idle and while driving. Feels like it’s running lean. Also my truck dies while idling when I have about 80miles left in fuel according to computer.
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