What's that smell - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 07-06-2006, 03:14 PM Thread Starter
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What's that smell

Hi, I'm a newbie here... I have a 99 F250 PSD. Can anyone tell me why, all the sudden I smell fuel when I turn on the A/C? I'd appreciate your input. Thanks
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post #2 of 7 Old 07-06-2006, 03:27 PM
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Hey welcome to the site.

Sorry man I don't have a clue what that may be.

"Life is hard, it's even harder when you are stupid"
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post #3 of 7 Old 07-06-2006, 03:50 PM
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re: smell of fuel

The first thing I would do is check around under the hood for any sign of a fuel leak. It could be rather small and puddling on top of the engine. so it might be hard to notice.

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post #4 of 7 Old 07-06-2006, 04:13 PM
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Welcome to the forum!!!

Do you only smell fuel when the AC is on, or is it anytime through the vents???

Im curious that you said when the AC is on, because generally the air is in recirculation and not taking fresh air in......which means that you should not smell outside smells....

Either way, i would definately look for fuel in the valley as was already reccomended. Also, there is a tube that comes down on the front of the motor on the passanger side. this is the drain for the fuel filter housing. the yellow lever on the housing is what allows fuel to come out of here....if the o rings fail, fuel will leak out there....

If it could possibly be exhaust, check over the transmission. there is a pipe that leaves each exhaust manifold and goes up and meets at the turbo. check both of those pipes where the go into the manifold that attatches for the turbo. any signs of soot means the Y pipe is leaking....

Hope this helps...if not, keep posting info, we will get it figured out
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post #5 of 7 Old 07-06-2006, 07:32 PM
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Wow, I never had that problem when I had my 99!

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post #6 of 7 Old 07-10-2006, 07:38 PM
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I did have the problem it was a cracked fuel housing but I could smell mine every time I started it up but it was worse when the vent or air was on.
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post #7 of 7 Old 07-11-2006, 08:30 AM Thread Starter
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Thanks to all of you... Turns out, the fuel filter cap had loosened up a little, allowing fuel to leak out. All better now.
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