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Old 06-03-2025, 02:38 PM   #1
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Join Date: Apr 2021
Location: Michigan
Posts: 15
Massive fuel leak somewhere on the driver side fuel rail.

I have a 2001 986 S that has sat for a few years (covered). Everything was about as I left it, and it was running fine mechanically before I stopped driving it.

The car fired right up and idled, but I noticed a gas smell and heavy leakage under the car. I shut it down right away and got to work getting to the engine compartment.

Everything is uncovered now and I'm able to see that the leak is somewhere on the driver side (US) of the engine. However, I am having a hard time pinpointing where exactly the leak is. About the only way to see it is to prime the rail, which causes it to spray everywhere. I can tell it's not from the crossover tubing from the passanger side, and it's not from the regulator.

Question is, where else would it spray that heavily from? Would a bad o-ring on an injector allow that much fuel out? Has anyone ever had a fuel rail corrode to the point a hole has developed? When it is spraying, it almost looks like it is coming from below the rail, but it's hard to see under there. All I know is that when it is running, it pours out from that area.

I haven't dug into this that deeply yet, but from my first impression, it looks impossible to get the rail out to inspect without removing a bunch of stuff. Anyone have experience removing the rail? (I'm kind of hoping for someone to jump in and tell me that it's not that hard and to quit being lazy and dig in, lol). Thanks in advance for any insight.
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