2001 Pontiac Grand Prix Causes Your Rpm Gauge Jump Back Forth

2001 PONTIAC GRAND PRIX
165,301 MILES
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ANONYMOUS
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what causes your Rpm gauge to jump back and forth
Feb 28, 2013 at 3:34 PM
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WRENCHTECH
  • ✓ASE Certified Mechanic
  • 20,761 POSTS
  • ASE Certified Mechanic
Are there any engine performance problems aligning with that happening?
Feb 28, 2013 at 3:38 PM
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