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1991 Dodge Ram bad miss

Tiny
WEAVER91RAM
  • MEMBER
  • 1991 DODGE RAM
  • V8
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
I have a 1991 dodge ram with the 318 v8, it will start up idle perfect put it in gear still idles perfect drive down the road and it will start missing bad especially up hills and if you floorboard it then it will run good but as soon as you let off and give it gas again at normal driving speed it will start it again. Have no clue what it is have replaced plugs, wires, distributor cap, map sensor, tps sensor and fuel filter
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Friday, March 12th, 2010 AT 10:20 AM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, use a gage and check fuel pressure. Any trouble codes? When you up the rpms in park, can you get it to act-up?
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Friday, March 12th, 2010 AT 10:48 AM
Tiny
WEAVER91RAM
  • MEMBER
  • 2 POSTS
Ive had it ran with a diagnostic comp and no codes show up and the check engine light wont come on. Plus it wont miss when you rev it up fuel pump runs without pause
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Friday, March 12th, 2010 AT 1:00 PM

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