1999 Chevy Silverado Engine bucking

1999 CHEVROLET SILVERADO
139,000 MILES • 6 CYL • 2WD • MANUAL
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DMTSILVERADO
  • MEMBER
  • 1 POST
While driving my truck it seems to buck around 2000 rpm's. If I accelerate it quits doing this. In the mornings is when it is at its worse. I have replaced the fuel pump, plugs, wires, cap and rotor.
Dec 28, 2007 at 7:15 AM
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DENNYP
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 1,824 POSTS
remove the crank sensor and look to see if there are contact marks on the tip of the sensor. If there are, replace the sensor and install a shim on the sensor. The shims are available at your local dealership.
Dec 29, 2007 at 4:03 PM
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