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Rough Idling


really awful
Typical Repair Cost:
Average Mileage:
215,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. replaced fuel filter then fuel pressure regulator (1 reports)
2000 Pontiac Montana fuel system problems

fuel system problem

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2000 Pontiac Montana Owner Comments

problem #1

Aug 042009

Montana 3.4L V6

  • Automatic transmission
  • 215,000 miles


On this problem it was really tough to figure out what was going on.

We removed the egr valve and cleaned it up then it ran decent for a while. The problem kept creeping up so a few months later the fuel filter was replaced but still was running rough.Changed the spark plugs too that was no easy task either It was driven for a few months more when in January the fuel filter popped and the van was stranded. it took a few weeks to convince hubby to change the pressure regulator and now the problem is fixed. thats one problem fixed and a few more to go.

No more sluggish rough idling

- , Palm Coast, FL, USA

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