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CHECK FUEL LINE CONNECTOR ON FUEL RAIL WITH KEY ON MOVE SLITELY SIDE TO SIDE ,BE CAREFUL WEAR SAFETY GOGGLES AND PROPER CLOTHING WATCH FOR SPRAYING FUEL OR DRIPPING FUEL ALSO CHECK AROUND INJECTORS FOR SEAL LEAKS THEN IF THATS OK CHECK FUEL PRESSURE REGULATOR FOR FUEL IN VACUMN LINE IF THATS OKAY CHECK FUEL LINES , THE IN LINE AND THE RETURN IF THERE IS ONE
That is a vague description of what is leaking. I would take a guess that you are talking about the fuel pressure regulator tho. It would have a torx head screw, I believe a T27 on it. They have an oring inside the fuel rail that can go bad at times. That would be my guess.
There are two ways. One is to pull the fuel pump fuse or relay and run the engine until it stalls out. The second is to open the Schrader valve at the end of the fuel rail and bleed the pressure off. This is messier and will cause some fuel spillage, so have a rag ready to catch it.
You need to have this repaired immediately. It's not too expensive, just an o-ring at the end that goes into the fuel rail. It is very dangerous to have fuel leaking in the engine compartment, don't delay.
Where is it leaking? If its at the fuel rail fuel pressure regulator you may need a new regulator if leaking on the metal part. If its leaking at the rail side its just the "O" ring. Relieve fuel pressure(push in valve under plastic cap right side beside alternator on rail. Remove the torx screw holding regulator bracket. Pry out and replace "O" ring, reassemble. If its not the regulator it may be a fuel injector, you need to remove the fuel rail and replace both the upper and lower injector "O" rings. This however needs the intake manifold removed to repair.
SMELL GAS YOU NEED CHECK ALL FUEL LINES UNDER THE HOOD IN THE ENGINE COMPARTMENT.IF GAS IS STRONG UNDER HOOD YOU DONT SEE LEAKING FUEL LINES.YOUR FUEL RAIL FUEL INJECTORS LEAKING OR FUEL PRESSURE REGULATOR O - RING OR DIAPHRAM LEAKING GAS.IF FIND NO LEAKS UNDER THE HOOD CHECK FUEL LINES UNDER CAR FROM ENGINE TO FUEL TANK FOR LEAKS.IF ALL IS GOOD YOUR EVAPORATIVE CANISTER SOAKED WITH GAS OR YOUR EMISSION EVAPORATIVE SYSTEM NOT WORKING. DEALERSHIP HAS TO CHECK AND FIX.