Help! Fuel Pressure Reg. squirting fuel everywhere...
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Joined: Jul 2001
Posts: 602
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From: St.Charles, MO/ Edwardsville, IL
Car: '03 S-10/ '87 Trans Am
Engine: mild 350
Transmission: TH350
Help! Fuel Pressure Reg. squirting fuel everywhere...
On the way home tonight I noticed my gas guage going down more than normal and smelled gas when I got home. So I popped the hood with the car running and my Mallory 3-way FPR was squirting fuel out of the vacuum port and dumping a ton of it into my carb, flooding my engine and killing it when I tried to cover the vacuum port. Does anyone have any idea what is happening?
Thanks,
Matt
Thanks,
Matt
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Joined: Apr 2001
Posts: 4,969
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From: USA
Car: yy wife, crazy.
Engine: 350, Vortecs, 650DP
Transmission: TH-350
Axle/Gears: 8.5", 3.42
Vacuum port? It's vacuum referenced? WOW!! You spent some money, eh?
Are you sure the vacuum port is the vacuum port? And the return port is the return port? etc. etc.?
Are you sure the vacuum port is the vacuum port? And the return port is the return port? etc. etc.?
Thread Starter
Senior Member
Joined: Jul 2001
Posts: 602
Likes: 0
From: St.Charles, MO/ Edwardsville, IL
Car: '03 S-10/ '87 Trans Am
Engine: mild 350
Transmission: TH350
Yes, it's a vacuum port. The Mallory 3-way return style has one. It turns out there is a crack in the rubber diaphram that was allowing fuel (and lots of it) to come into the "dry" part of the regulator where vacuum is supposed to be. Now the search to find a new one. I hope I never have to pop my hood and see precious high octane fuel squirting everywhere. 
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From: Chasing Electrons
Car: check
Engine: check
Transmission: check
Originally posted by Flash84Z28
Yes, it's a vacuum port. The Mallory 3-way return style has one. It turns out there is a crack in the rubber diaphram that was allowing fuel (and lots of it) to come into the "dry" part of the regulator where vacuum is supposed to be. Now the search to find a new one. I hope I never have to pop my hood and see precious high octane fuel squirting everywhere.
Yes, it's a vacuum port. The Mallory 3-way return style has one. It turns out there is a crack in the rubber diaphram that was allowing fuel (and lots of it) to come into the "dry" part of the regulator where vacuum is supposed to be. Now the search to find a new one. I hope I never have to pop my hood and see precious high octane fuel squirting everywhere.
RBob.
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