Fuel leaking on cold starts. - Ford Powerstroke Diesel Forum
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post #1 of 7 Old 11-15-2011, 10:44 AM Thread Starter
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Fuel leaking on cold starts.

The last few mornings my truck has leaked diesel fuel onto my drive way just after starting the truck during -8C weather. The diesel can be seen dripping out of the engine/tranny cover under the truck. it smells and looks like it maybe coming from near the top of the engine some where, but when it warms up its gone. Any ideas?

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post #2 of 7 Old 11-15-2011, 10:47 AM
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i would check fuel pressure regulator on the side of the fuel filter housing, ive replaced maybe 5 of them for leaking and the drip will appear to be coming from the back of engine on passenger side

04 PSD SCT X3 extreme race tuned by innovative and looney tuned, straight pipe and dumped before rear tire, afe intake, smoke switch, air dogged out, zoodad mod, egr delete kit (finally), head studs, cfm intake elbow, bd boost fooler, installed new cab lights (didnt have em from factory) 285 bfg mt's, suncoast tq converter, she'll run a 13.4...soon to come a baby lol my mods stop here for now
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post #3 of 7 Old 11-15-2011, 10:48 AM
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disregard that it doesnt show you have a 6.0 in your signature, noticed it in thread that its a 7.3, my bad bud

04 PSD SCT X3 extreme race tuned by innovative and looney tuned, straight pipe and dumped before rear tire, afe intake, smoke switch, air dogged out, zoodad mod, egr delete kit (finally), head studs, cfm intake elbow, bd boost fooler, installed new cab lights (didnt have em from factory) 285 bfg mt's, suncoast tq converter, she'll run a 13.4...soon to come a baby lol my mods stop here for now
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post #4 of 7 Old 11-15-2011, 11:31 AM
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Its probably your fuel bowl drain O rings. $2 fix.

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post #5 of 7 Old 11-15-2011, 11:35 AM Thread Starter
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thanks guy's I will have a look at the fuel bowl.

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post #6 of 7 Old 11-15-2011, 02:10 PM
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Quote:
Originally Posted by Zaairman View Post
Its probably your fuel bowl drain O rings. $2 fix.
Agreed.. they expand when they warm up and dont leak, but when its cold they leak. makes sense to me.
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post #7 of 7 Old 11-16-2011, 06:21 AM
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I know the OP has a 6.0, but mine is doing the same thing. Cycled the key on after wiping everything down and saw fuel seeping from the regulator valve. My rig has got 112K on it so I just got the whole kit, about fiddy bucks for a new valve, spring, and O rings. Bout to swap it out in the morning. Also got new fuel rail coupling bushings, might as well do it all at one time.

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