egr valve buzzing?
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Laughing Gas
Joined: Mar 2009
Posts: 1,028
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From: long island
egr valve buzzing?
whenever i turn my truck off it makes a buzzing noise. i think its done this since ive had the truck. the other day, right after i turned it off i tried to listen to where the buzz was coming from. i unplugged the green vacuume line that goes into the egr valve and it stopped. i plugged the hose and it still didnt do it, but once i plugged the hose back into the egr valve, it started buzzing again. it usually buzzes for a good 2 or 3 minutes. truck in sig
Senior User
Joined: Sep 2010
Posts: 385
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From: Oregon
Not to hijack, but if I pull a vacuum to my egr valve,
it will do a suction/buzz/chatter too.
but not when I shut the truck off like octaneforce.
Maybe mine leaks faster.
Wouldn't it be nice if that was my gentle miss problem?
Thanks
it will do a suction/buzz/chatter too.
but not when I shut the truck off like octaneforce.
Maybe mine leaks faster.
Wouldn't it be nice if that was my gentle miss problem?
Thanks
Fleet Owner
Joined: Aug 2005
Posts: 23,668
Likes: 301
From: Easton,Ks
So I would get the vacuum problem fixed first before you either of you replace the EGR valve. Yes vacuum on the green line at idle will cause a miss.
I would look at the EGR solenoid (EVR).
I would also pull the codes on both trucks.
Senior User
Joined: Sep 2010
Posts: 385
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From: Oregon
ok, Thanks.
So the egr valve should NOT buzz when suction/vacuum is applied manually?
just sitting there, engine not running.
I would think it (well the whole vacuum line system) should hold vacuum for a while, at least?
So the egr valve should NOT buzz when suction/vacuum is applied manually?
just sitting there, engine not running.
I would think it (well the whole vacuum line system) should hold vacuum for a while, at least?
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