1997 Dodge Ram missing

1997 DODGE RAM
142,000 MILES • 6 CYL • 2WD • AUTOMATIC
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STEVE38251
  • MEMBER
  • 3 POSTS
i have replaced alot of parts on the truck, 2 new heads,cap, rotor, plugs.plug wires.TPS is also new, and the truck is still missing when into over drive it shakes and misses more, what can it be
Feb 21, 2010 at 3:28 PM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Have you checked fuel pump pressure? Has the check engine light come on to indicate a misfire? Finally, have you checked for vacuum leaks and the EGR valve for proper function.
Feb 26, 2010 at 11:59 PM
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STEVE38251
  • MEMBER
  • 3 POSTS
i had the whole motor apart replaced all hoses, and cording to what i could see i couldnt find a egr valve on the truck, it has the 3.9 littler in it,
Feb 27, 2010 at 12:51 AM
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