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					Originally Posted by thom4782  The 986 repair manual suggests that one can replace the valve without removing the engine. See PM
 BTW: Do you see P1411 too? Seems like you would see codes for both banks if the cut off valve was failing.
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I have seen P1411 only one time with the P0410 on about five CEL in the past six months.
I just replied to your PM.