Pump noise after shut down - Ford Powerstroke Diesel Forum
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post #1 of 5 Old 10-14-2009, 09:12 PM Thread Starter
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Pump noise after shut down

Whenever I shut the engine off in my truck I can heard what sounds like a pump run for a minute or so. Anyone able to tell me what it is?
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post #2 of 5 Old 10-14-2009, 09:14 PM
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Vacuum pump??

Traded.. 03 6.0 PSD For.. Black F250 2008 SD LARIAT 6.4 PSD 4x4, Aries Bull Bar, Westin chrome running bars, Dura Liner, B&W Gooseneck hitch, Recon smoked taillights, Icon 4.5" lift, 35" Toyo M/T, etc... Running Spartan Tunes AFE PG 7, Flo Pro 4" DP Back, thanks to Cobb's Diesel. It has been great so far.




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So all that work and you're keeping the trash can of doom on the exhaust?

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post #3 of 5 Old 10-14-2009, 09:15 PM
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Thats an old Ford program that has since had an updated version. I think it runs after the truck turns off to pressurize the fuel system to help with starting. Take it in and get the latest software update.
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post #4 of 5 Old 10-16-2009, 12:42 AM Thread Starter
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Thanks, I'll get it in next week.
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post #5 of 5 Old 10-16-2009, 06:39 AM
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yeh had the same problem, it was the fuel pump running.. just have them updat it

2005 f250 lariat FX4 crew cab short bed
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