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Should Gas Tank Hisses When Opened? [Solved]

If the pressure in the tank reaches the same amount of pressure of the spring, the safety relief valve is opened. That’s when you’ll hear a hissing sound coming from the tank. That sound is the pressure in the tank being dissipated.

Air coming out of gas tank when opening cap?? How to test/clean Evap Canister Purge Valve Solenoid

That’s a common problem, Air coming out of

How to Equalize Pressure in a Vehicle’s Fuel Tank

Do you have to reduce or neutralize pressure in the

CHEROKEE XJ FUEL TANK VAPOR PRESSURE SOLVED!!!

If you’re experiencing a WHOOOSH!!! of fuel vapor whenever you take off your