Buzzing sound from engine bay
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Buzzing sound from engine bay
There is this wierd buzzing sound coming from my engine bay. I have absolutely no clue what it could be. It sounds like it’s coming from the left rear of the intake manifold. https://streamable.com/q48vz3
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After I turn the motor off I think it’s just the injectors doing stuff. But for the first thing, you think it’s the one way valve? It’s on the left side of the truck and the boosters on the right.
Trailering
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There is this wierd buzzing sound coming from my engine bay. I have absolutely no clue what it could be. It sounds like it’s coming from the left rear of the intake manifold. https://streamable.com/q48vz3
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Fleet Owner
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My old 1992 F350 w/5.8L engine made a buzzing/farting noise for a few seconds when shutting off the engine. I traced it down to the EGR Valve Regulator (EVR). A new one did not fix it, but flipping it 180 degrees did. For some reason the EVR was installed with the filter down. All the photos I ever found show the filter should be on the top side. So I rotated mine to match the photos. Buzzing noise went away.
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Trailering
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Yeah.... There is no EGR/Smog/No Charcoal can etc. It's all been removed with the rebuild. This sound is without the engine even running, key to "ON" and then buzzing. Same location as the original poster commented.
There shouldn't be any vacuum being generated with the key set to "ON".
There shouldn't be any vacuum being generated with the key set to "ON".
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chicowoodhill
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Dec 15, 2005 10:35 PM