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1998 Pontiac Grand Prix serious lack of power

Tiny
GERMAN ROTTY
  • MEMBER
  • 1998 PONTIAC GRAND PRIX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 165,000 MILES
My car has a serious lack of power it idels fine starts easy when you try to accelerate it bogs badly and causes the belt to squeel ive changed fuel filter, air filter, egr valve, coil packs, electronic control modulator, plugs, wires, belt, tensioner pully, power steering pump, water pump, serviced transmision, changed oil, and im still at a loss if I go onto highway and floor it it will get up to speed so I can set the cruise but any hill causes it to loose speed
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Wednesday, October 13th, 2010 AT 8:24 PM

2 Replies

Tiny
GERMAN ROTTY
  • MEMBER
  • 2 POSTS
Pretty vague for a pro I did that I was look ing for help not a list of things to buy
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Wednesday, October 13th, 2010 AT 10:24 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If I were you-you best inspect and test the above or you'll never find your problem and end up throwing parts to it-Your call

Majority of the things you have change has nothing to do with your serious lack of power. I'm sorry am not there to test drive your vehicle to know what's really going on. What I gave you is a list of possibilities.
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Thursday, October 14th, 2010 AT 9:51 AM

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