Noise in Motor

Tiny
JWOLNEY7258
  • MEMBER
  • 2006 PONTIAC GRAND PRIX
  • 6 CYL
  • 47,000 MILES
What would make a hissing sound that gets louder when I accelerate? I have checked all of the hoses and belts that I can see. The car is a 2006 Grand Prix
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Monday, February 14th, 2011 AT 3:07 PM

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Tiny
DR. HAGERTY
  • MEMBER
Plugged exhaust system.
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Monday, February 14th, 2011 AT 3:09 PM

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