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Broken/Stuck EBPV? Noise out of exhaust
Im getting a whistling/whinning noise while accelerating and on decel. It made a kind of popping noise and then the whinning noise followed. You can hear it out of the exhaust as well. I have already pulled all of the tubes and rubber boots as well as the intake spider and boots. Cleaned all of them while checking for tears/holes. All of them looked ok so I reinstalled them and the noise didnt change at all. Im thinking the EBPV might have broke or be stuck partly closed and making the whistling noise. I have checked the up pipes and they do not appear to be leaking either. anyone?
Early '99 F350 Ex cab Sb, 4" turbo back straight pipe, DIY BHAF, Swamps singles, PI T/C, Red wastegate line MIA, 265,000 miles and still goin strong....