1999 - 2003 7.3L Power Stroke Diesel

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Fuel leaks

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Oct 12, 2013 | 02:42 PM

#1

B_Allen

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Joined: Jan 2010

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Fuel leaks

I have bee chasing a fuel leak while simultaneously thinking I had a bad injector. The past 3 months or so I've had a tap tap tap at idle. Finally replaced the o'rings on the rail returns line. No leaky but most important she purrs like a kitten now. Amazing how detrimental a little air in these fuel systems are.

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Oct 12, 2013 | 02:49 PM

#2

scotttahoe

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Joined: Jan 2013

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From: North Lake Tahoe

Nice find! My 2nd guess would have been the O-rings in the fuel water separator valve.

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