buzzing noise when shut truck off??? - Ford Powerstroke Diesel Forum
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post #1 of 11 Old 04-24-2010, 08:03 PM Thread Starter
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Question buzzing noise when shut truck off???

i have an 03 F350 and when you shut the truck off there is a buzzing noise that goes on for about 30 seconds and then it goes away. I was told that it could be injectors buzzing and that some of the 6.0s do that and some dont. has anyone else heard of this and is there a way to prevent it? its kind of annoying.
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post #2 of 11 Old 04-25-2010, 04:20 AM
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some, or at least one, of the flashed did that. Mine did it for awhile until my truck got reflashed.

If you want to get rid of it you have to get a different flash.
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post #3 of 11 Old 04-25-2010, 03:30 PM Thread Starter
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ok thank you for the help at least i know that its not really a problem, what does it cost to get it reflashed?
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post #4 of 11 Old 04-25-2010, 03:31 PM
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x2 on the reflash. I think you have a fairly old program in yours. I think each dealer is different, but a reflash is usually around $100 bucks.

Diesel Dan

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2003 F350 Crew cab long box, FX4, 6.0, torqshift, Lariat.
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post #5 of 11 Old 04-25-2010, 03:37 PM Thread Starter
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what exaclty does a reflash do, just reprogam or update the computer or ??
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post #6 of 11 Old 04-25-2010, 03:49 PM
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reprogram and update both...its one of the same...

03 6 liter...TEC3, hybrid tuned ficm,running all of power hungry performance handy work, plus i work there..call or email....
brad@phptune.com
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post #7 of 11 Old 04-25-2010, 04:01 PM
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Ga. Diesel, You out in Lavonia?? I opened a shop out in Commerce. It's good to have some fellow ORG members around. Hope all's well. 03powerstrokin, I agree get the latest flash. It has the vane sweep too and ECTvsEOT DTC so it's definetely worth it.
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post #8 of 11 Old 04-25-2010, 04:39 PM
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hey aj its brad...i spoke with you a while back on the phone...i still gotta get down toward your way and visit you shop

03 6 liter...TEC3, hybrid tuned ficm,running all of power hungry performance handy work, plus i work there..call or email....
brad@phptune.com
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post #9 of 11 Old 04-25-2010, 04:53 PM
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yep thats an old flash, It cycled the injectors for 30 seconds, it was supposed to help it start easier when cold.

Mike




"The Iron Pig"



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post #10 of 11 Old 04-25-2010, 04:55 PM
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Brad, you tha man!!!! Holler at me sometime.
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