You looked the wrong place. The EGR valve itself rarely has prob

来源: khyang86 于 2010-06-16 20:04:49 [] [旧帖] [给我悄悄话] 阅读数 : (177 bytes)

Your EGR valve is fine though old. Look for the carbon deposite in the returning channel near the intake manifold where the passage becomes narrow and carbon starts accumulated.

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