quick question

[dtldiaspora]

i just changed the egr valve, and what would be the best way to clean out all the old carbon build up? i got 120k on the engine and am unsure if anyone has ever cleaned it or not...

[01silveralero]

seafoam..........

[alti117]

seafoam works if ur leaving it on, if ur taking it off there are a few different carb cleaner sprays or kleen flows brake kleen