|Rating(1-10)||Knowledgeability = 10||Clarity of Response = 10||Politeness = 10|
|Comment||I have an EGR hose, replaced last year so I am pretty sure I have an EGR valve. I will investigate this by using the WD-40 method you described. Otherwise, I don't fully think that a cylinder has a miss-fire, just not as smooth at idle when cold as when it is hot. I wonder if I just have an injector that is not spraying as cleanly as it should. I have run Gumout through a couple of tanks of gas to no avail.|
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