Vibration on acceraration

Tiny
MINDLESS
  • MEMBER
  • 1999 FORD F-150
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 160,234 MILES
1999 ford F150 4.6, trimbles, vibrates when. Depressing accerator. Only above 15 mph and only when accelorator is depressed. What could it be?
Tuesday, June 28th, 2011 AT 10:05 PM

6 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Where do you feel the vibration, steering? Body? More like a misfire?
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Tuesday, June 28th, 2011 AT 10:28 PM
Tiny
MINDLESS
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  • 4 POSTS
I feel vibration in accelarator mostly, but at speeds over 50mph vibration can be felt mostly acellaratipn padel and floor board area, speeding up to pass a car or merge into traffic its bad. Take foot off gas, it subsides.
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Wednesday, June 29th, 2011 AT 1:00 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Have the engine and transmission mounts checked first.
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Wednesday, June 29th, 2011 AT 2:32 AM
Tiny
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Thank you for your time and advice, I would have never though of looking in that area. Thank you.
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Wednesday, June 29th, 2011 AT 3:31 AM
Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,004 POSTS
How 'bout them "U" Joints?
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Wednesday, June 29th, 2011 AT 3:38 AM
Tiny
MINDLESS
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  • 4 POSTS
Again thank you, I will have all mounts checked and CV Joints, they have never been changed and now I have 160k miles. You guys are just Great! Thank you again.
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Wednesday, June 29th, 2011 AT 3:54 AM

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