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  #1  
Old 11-04-2013, 05:23 PM
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problems after upgrades

A buddy Installed 4" exhaust afe intake and a edge evolution programmer on his 2002 automatic f250. Everyrhing works great except when under full throttle the truck shifts into over drive he gets a big whoshing sound and boost goes from 20lbs to about 6-8lbs and he can't get over 70mph. No check engine light. Let off the throttle then floor it again boost picks up and truck takes off again. Anyone ever had this problem?
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Old 11-04-2013, 05:33 PM
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Sounds like turbo surge... Or stall and then surge.
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Old 11-04-2013, 06:30 PM
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edges aren't the best tuner either especially for the transmission, could be a defueling or TQ issue if it only happens at WOT going 70+
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Old 11-05-2013, 01:05 PM
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Tried unplugging the waste gate. Made it better but still not fixed. Would it derate with no cel? When it happens nothing seams out of the ordinary. Its like he just eases off the throttle when it shifts into ove drive. But left off anr floor it again and takes right off
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Old 11-05-2013, 01:09 PM
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Get a pro tune ASAP
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Old 11-05-2013, 01:58 PM
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Got another buddy have the same exact issue except his truck has no tunes and is straight drive. Intake and straight pipe
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Old 11-05-2013, 02:46 PM
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might be...

Might wanna check out your intake and intercooler piping along with all couplers. Sometimes when more boost is added things like the intake hoses and couplers suffer and a small leak is formed. I know this was what happened to me when I had my 560whp Subaru.
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Old 11-05-2013, 03:03 PM
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Tell him to unplug the edge. If it does the same you can narrow it down to intake.
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Old 11-05-2013, 03:13 PM
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Ok. Now on the other truck with no tunes. It doesn't do it all the time. No ryme or reason might go days withough doing it.
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Old 11-05-2013, 04:19 PM
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the other truck...

What is the year of the other truck? Might be the MAF sensir needing to be cleaned or it might be fuel pump or filter. Clean your MAF firstand give it a week. See if the issues go away. If not, clean your fuel filter and do the same, wait... ect.
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