1985 Isuzu Truck Shaking Speed Fine Once Hit About 40mph Pedal Shakes Get Past

1985 ISUZU TRUCK
122,000 MILES
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ISUZU8595
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  • 114 POSTS
Why is my truck shaking?
When im going any speed its fine but once i hit about 40mph the pedal shakes and once i get past 40 it stops. also when i put the gas pedal down just a little to far it vibrates like crazy until i just push the pedal a little farther.
Dec 5, 2012 at 5:45 AM
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
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have the motor checked for miss fires. make sure items such as u joints are not failing

Roy
Dec 5, 2012 at 11:54 AM
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ISUZU8595
  • MEMBER
  • 114 POSTS
Checked for miss fires. nothing and u joint are ok
Dec 6, 2012 at 2:00 AM
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