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Bizarre but honest question about turbo...

2113 Views 8 Replies 6 Participants Last post by  ford_doctor, 
R
For a while now, about 10k miles, I've had intermittent barking of the turbo on deceleration and every once in a great while on acceleration. The other day, after a 2 hour jaunt, while listening to a weak AM radio station I heard the whine/spinning of the turbo on the radio. It only lasted as long as the station was weak, but it was definitely the turbo.
Is the turbo headed for failure?

04 6.0 Lariat AT with 3:73's
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C
the bark or FART (as some refer to it) is the EBPV (exhaust
back pressure valve) its the equiv. of a waste-gate for our
trucks.

its a pressure relief valve of sorts.

the EBPV is an electronically controled solenoid...and they
can fail (like anything else mechanical)...if its failing to
operate as programed it likely will generate "codes".
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C
agreed its not a VALVE...rather a SENSOR
http://dan.prxy.org/Truck/6L_bible_html/html/Page_058.html

as you say a valve solenoid or SENSOR does NOT have to
be EXPOSED to (OR IN) the exhaust flow to impact the FLOW.
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