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Fuel leal down test? 1991 240sx

I lose about 20 psi in 30 seconds. Is this oK? If I pinch fuel line between fuel filter and gauge, I dont lose the pressure so I know the check valve or canister or gas tank is leaking. Not sure if this abnormal.

Reply to
wiseman
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I would say that is bad. It should be much less like 5psi for 2 minutes. Sparky

Reply to
Steve Parker

Reply to
wiseman

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