Truck shakes while driving?

1998 FORD F-150
211,000 MILES • 5.4L • V8 • 2WD • AUTOMATIC
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DANIELLE2018
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Okay, the other day my daughter was driving the truck and all of a sudden it starts shaking in the dash and steering wheel. When you crank it, it sputters but it doesn't shut off and when you drive it, it shakes in the dash and steering wheel, but when you accelerate hard it stops and when you let off the gas it stops. It's a Lariat model.
Jul 6, 2024 at 2:16 PM
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JACOBANDNICKOLAS
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Hi,

Has the check engine light turned on? Also, was it flashing at any point? Usually, an engine fault or misfire will be felt throughout the vehicle. However, the steering wheel is usually not affected.

Does this happen when the engine is cold as well, and you just start driving it?

Let me know.

Joe
Jul 6, 2024 at 9:58 PM
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DANIELLE2018
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No, the check engine light hasn't come on. I drove it yesterday and it got me where I needed to go but it still shakes some. When I go to take off I noticed when the overdrive is off and if I give it gas it doesn't shake bad and when I get to a higher speed I'll turn the overdrive on but if I don't stay at that higher speed it will start to shake again so I turn the overdrive back off so it doesn't shake so bad. And when it idles it sputters but never shuts off. Thank you for your speedy response.
Jul 7, 2024 at 12:15 PM
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DANIELLE2018
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And when it shakes it's the entire vehicle just in case that helps you and thank you again.
Jul 7, 2024 at 12:24 PM
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JACOBANDNICKOLAS
  • CERTIFIED EXPERT
  • 110,175 POSTS
Hi,

Based on what you described, it sounds like it could be related to the torque or low line pressure. I know the transmission coolers are known to plug.

I attached a test below. Let me know if this is something you are comfortable performing.

Joe

See pics below.
Jul 7, 2024 at 9:43 PM
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DANIELLE2018
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Thank you so much and I will get someone to do this and I'll let you know how it goes. Thank you again
Jul 11, 2024 at 7:50 PM