JD,
Sorry if my post caused miscommunication in any way. Like I said it seemed to work for some. My point was that it is one part of the system that could throw off the troubleshooting process which was in my case. Your advice here is always valued.
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2012 Panamera 4
2010 Boxster
2000 Boxster S 3.2L
1990 Land Rover Defender 6x6