Weird Sound Under Throttle - Ford Powerstroke Diesel Forum
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post #1 of 1 Old 11-27-2007, 06:01 AM Thread Starter Fanatic
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Weird Sound Under Throttle

Have an 03 6.0, couple weeks ago had IC(CAC?) tube boots, turbo, and EGR replaced. Truck did excellent until last night. Driving up a hill, on the throttle and hear a weird noise like the IC(CAC?) boot blowing off but not as loud when that happened before. Gave it gas to see if boost was still there and it was, however, now at about half throttle there is a low moan.(has a kind of high -pitched sound to it if that makes sense) It doesn't do it low throttle or full throttle, seems to be around half throttle. Didn't seem to lose any power but the moan is annoying. All the boots are ok. What could this be? Should I take it back to the dealer?(it's still under warranty) Any suggestions? Thanks.

2003 Superduty F-250 4X4 6.0 Auto C/C SWB
XLT Package
Dark Shadow Gray w/ Gray Cloth
305's on 16x10 Raceline Renegade 8's
SCT -Straight-Piped

2012 Superduty F-250 4x4 6.7 Auto C/C SWB
Lariat Ultimate Package
Tuxedo Black w/ Black Leather
Stock...for now
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