I would have a look at the main fuel filter. Pour the contents into a glass jar so you can see what's in it. (Water, gasoline, mud)? Also, could be sucking air. I understand 603 fuel filter has an O-ring which is critical. Maybe a 603 owner can comment on that.

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Palangi

2004 C240 Wagon 203.261 Baby Benz
2008 ML320 CDI Highway Cruiser
2006 Toyota Prius, Saving the Planet @ 48 mpg
2000 F-150, Destroying the Planet @ 20 mpg



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