on December 19, 2008, 8:32 am, in reply to "Re: VW Passat 2003 2.0l alt engine"
"Scoped sensor 5v supply 0v on earth Ov on supply, start engine and supply stays at 5v but signal goes up to 13.5v switched."
This could be normal for this system and if its switching ok I would say it is.
As Dave says recheck the timing,its usually the chain timing at the rear thats out.
Hth Sean
Message Thread 
VW Passat 2.0 ALT 2003 - Fault code 16725 cam sensor implausible signal - Fixed # - Malcolm Tripp December 16, 2008, 3:56 pm
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