Thread: P0421 Code
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Old 08-30-2010, 03:55 PM   #17
snicknc
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2002 VUE 3.0L
Default Re: P0421 Code

That's good info to know about the intake gasket. Given that it's such a minor leak, I think it's likely not the head gaskets. I've never seen them go in a small way, but I guess it's always possible.

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