1988 Chevy Celebrity fuel tank pressure

1988 CHEVROLET CELEBRITY
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BLOODYBMXER
  • MEMBER
  • 1 POST
Noises problem
1988 Chevy Celebrity 4 cyl Front Wheel Drive

what would cause alot of pressure to build up in the gas tank? When you remove the gas cap to fill alot of pressure releases, trying to push out on the cap, but alot of fuel vapors come out also.
Mar 31, 2010 at 1:58 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
a plugged vapor system or a plugged vent line to the tank. It may have some pressure when you take the cap off.
Apr 9, 2010 at 8:48 AM
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