Quote:
Originally Posted by txrlk
I've had the same issue on several occasions. It usually occurs when I'm accelerating but so far I've been unable to locate the source but I suspect that I have a boost leak.
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Same here, cant find my boost leak at all. Happens under WOT and EB. Its not constant like this thread, but more of a singing noise. Couldnt imagine this whistle all the time

. How do you look for boost leaks, i looked at all my plates, they are half inch. Been on truck over 100k miles no problems all of a sudden, its starting again. EGR cooler removal fixed my last squeal exactly as I am having again. ARGHHHHHHHHHHH