1998 Chevy Cheyenne rough hesitation

1998 CHEVROLET CHEYENNE
182,253 MILES • V8 • 2WD • AUTOMATIC
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#1BIGAL
  • MEMBER
  • 1 POST
i replaced fuel filter,fuel pump,tps truck starts and idles fine after truck gets up to running temp it hesitates and runs rough tach drops when this happens
Oct 16, 2009 at 10:08 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Has the check engine light come on? Have you checked fuel pump pressure? Vacuum Leaks? EGR?
Nov 3, 2009 at 10:17 AM
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