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Discussion Starter #1
I have a 2000 powerstroke and i get a strange noise when i let of the gas when traveling over 65 mph. the noise kinda sounds like exhaust or something of that nature but i am not sure. when i am on the gas, it goes away. it only happens if i am barely on the gas or let off and have to be going over 65mph. if i go 70mph and let of the gas the noise happens and as i drop below 65 mph it goes away. If i click the overdrive off, i do not get the noise over 65 mph. do you have any ideas what it could be?
 

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duct tape & zip ties
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10,761 Posts
are you running any programs, chips, tuners, or anything like that.
 

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Discussion Starter #3
yes, i am running a super chips programmer, but i had it installed before it started making this noise, i have also tried it al all three settings and it makes the noise on all three
 
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