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Strange noise UPDATE

589 views 5 replies 3 participants last post by  Maverick 
#1 ·
Posted about this a couple of times but could never quite work it out, it sounded either like a wheel catching something or a stone stuck in the back plate of the front brakes, it also sounded a bit like air moving or escaping.

Well today i went out and disconnected the EGR valve, light came straight on but drives fine, took it out for a run to get it warmed up and the noise has gone.

Next question is should you be able to hear air moving through EGR valve or can you get noisy EGR valves.

Strange very strange.
 
#5 ·
I think, if it's quite faint, that it could be the air whistling the through the blanking plate. (assumes you have the Alfa 4 hole plate between the valve and the manifold) I've got a noise which I've put down to it being that because it gets louder with EGR activity
 
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