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What can be wrong if the truck bucks and engine dies if you go over twenty miles per hour.

Tiny
JOHN1971
  • MEMBER
  • 1983 CHEVROLET S-10
  • 20,000 MILES
Truck runs fine while ideling but bucks and dies if you go over twenty miles an hour.
Wednesday, October 5th, 2011 AT 1:50 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
I hate to ask this, but does it have a carb? 83 has been awhile for me. Also, have you checked for vacuum leaks? Have you checked fuel pressure and volume? Have you checked the catalytic converter for plugging?
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Wednesday, October 5th, 2011 AT 1:54 AM
Tiny
JOHN1971
  • MEMBER
  • 2 POSTS
It has a carb, checked vaccum.
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Wednesday, October 5th, 2011 AT 2:41 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
I would recommend checking fuel pump volume as well as checking for intake leaks.
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Wednesday, October 5th, 2011 AT 3:27 AM

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