1994 GMC Jimmy runs ruff

Tiny
NWFIREFIGHTER
  • MEMBER
  • 1994 GMC JIMMY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 12,800 MILES
My jimmy runs ruff at idle and during exceleration I have put on new plugs and wiers and distributer cap and also cleaned the egr valve
Tuesday, December 22nd, 2009 AT 12:12 AM

1 Reply

Tiny
PEAR69
  • MECHANIC
  • 1,482 POSTS
Did you change the distributer rotor too?
What is the fuel pressure?
What brand of plugs and wires did you use?
What did the old plugs look like? Did they all look the same?
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Tuesday, December 22nd, 2009 AT 2:48 AM

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