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1992 Pontiac Grand Am Engine idles rough

Tiny
GWINSTR
  • MEMBER
  • 1992 PONTIAC GRAND AM
  • 4 CYL
  • FWD
  • MANUAL
  • 193,000 MILES
Engine idles rough and loss of power. Very sluggish, cannot go over 65 MPH. Ran fine until I filled up with gas and added Lukes gas treatment. That is when the problem occured.
Tuesday, October 27th, 2009 AT 6:30 PM

1 Reply

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,549 POSTS
Well, logic would dictate you got some bad gas.

Remove fuel filter, pour contents into clear glass container, if you see two seperate liquids, you most likely have water in gas.

If water, you will have to drain tank, change filter and refill with fresh gas.

As for gas additives, use Chevron Techron or SeaFoam.
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Wednesday, October 28th, 2009 AT 9:17 AM

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