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Discussion Starter #1
Ok Guru's I ned some help with this one I'm sure someone has run into it before.
The truck starts and runs fine at idle all the way to WOT. When I'm cruising at highway speeds I get a kind of chugging feeling, and last night kindd of got some popping out of the engine. I let off of the throttle and it went away. I also went to WOT and the truck pulled hard like it should with no issue.
It seems that this happens around 1500- 1800 RPMs.
I have upgraded the FPR and new Motorcraft fuel filters.
Any thoughts???:confused:
 

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Well you need gauge to tell your boost even something like the ScanGaugeII for $150 will tell you alot. I would think your turbo needs to be clean.:eek: The unison ring may be rusted and frozen vanes stuck.
2 stroker
 
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