stewart4588

Cheers thanks for your help.

Any idea who from

Discovered check valve to be faulty it lies between tank and carbon cannister does anybody know where i can purchase one its a 1992 swb fairlady japanese import thanks

Yes exactly, do you think it might be a fault in the check valve when under pressure or vacuum

Yes exactly, do you think it might be a fault in the check valve when under pressure or vacuum

Thats right sucked and blew through pipe as you suggested it seems to be clear

Yes its definitely pressure i can open and close cap continuesly and pressure comes out help.

Yes its definitely pressure help please.

Thanks very much i will give it a try ,any idea where i could buy another one

Do i need to remove tank to get at check valve please.

Thanks dan300zx i have removed carbon cannister but still getting excessive pressure when opening cap on tank

Just new on site and not very computer literate ,sorry

hi maz just wondered if you found solution to your excessive fuel tank pressure as i have the exact same symptoms