unresolved fuel leak

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sidewayzsc300
Posts: 6
Joined: Fri Jul 08, 2011 2:25 pm
Car: 89 sil40 coupe

Post

89 240sx KA24E
I have a fuel leak when tank is above 3/4 full. Liquid fuel is pushed through vent line and out vapor canister. I have inspected the vent line and there is no visual damege (kinks,bends) and also replace the fuel check valve thats in the vent line. Still have original gas cap. Is the cap suppose to vent at certain pressure to protect system? Does anyone have any answers and other things i can check.


User avatar
sunoco
Posts: 343
Joined: Thu Mar 17, 2011 8:17 pm
Car: 2007 M35 Sport
H-Techs
C-Mod Grille
Location: Atlanta, GA

Post

vent line clogged with someting maybe?


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