View single post by Trying to help
 Posted: Sun Jan 25th, 2009 12:35 pm
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Trying to help

Joined: Fri Oct 21st, 2005
Location: Georgia USA
Posts: 2390
They stock a great number of the boards because of the updated software to correct the F51, F50 motor sensor errors that was addressed in a service pointer.  You could very well have a bad board, but you might also want to check the routing of the pressure switch hose.  It travels through a conduit with the wire harness and it is cramped to say the least.  I have had to split the conduit slightly to free up the hose and alleviate kinks on several units.  These were not brand new units, it happened several months after purchase almost like the constant pressure on the hose had weakened it over time allowing it to crush. .    

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