Pressure under gas cap

Tiny
JASONR015
  • MEMBER
  • PONTIAC FIREBIRD
1996 Firebird 3.8L V6. I have a problem with air pressure building under the gas cap which really decreases the power. When I loosen the gas cap the air hisses out and the power is back. Thank you.
Sunday, June 3rd, 2007 AT 4:50 PM

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