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gas tank pressure???????

Old Dec 31, 2007 | 01:41 PM
  #1  
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Default gas tank pressure???????

am i supposes to have pressure inside the gas tank? cause my truck never has that pressure when u open the gas cap
 
Old Dec 31, 2007 | 02:06 PM
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Default RE: gas tank pressure???????

It's not necessarily noticeable when you open the gas cap.
 
Old Dec 31, 2007 | 02:59 PM
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Default RE: gas tank pressure???????

i have fumes coming from the top of the tank am lowering the tank tomorrow to check for leaks
 
Old Dec 31, 2007 | 03:52 PM
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Default RE: gas tank pressure???????

The tank is supposed to be under vacuum as part of the evap emissions control system.
 
Old Dec 31, 2007 | 04:10 PM
  #5  
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Default RE: gas tank pressure???????

so what should i look for? itsmell really bad under the car
 
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