The first three codes are evap related I believe. I've had most of those and they never cauees it to blink the cel. I would probably start by looking into the fuel pump code. Check wiring, fuel pressure at the rail, etc. A failing fuel pump can definitely cause the misfire codes. The evap codes 'could' be related. But I think the fuel pump is the place to start.
Hopefully some experts with more Boxster experience will chime in.
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1998 Porsche Boxster Base - 2005 Volvo S60R AWD - 2003 Subaru Wrx Wagon - 2003 Jeep Wrangler Rubicon - 1992 Subaru Loyale Wagon w/4in Lift - 2004 Dodge Ram 2500
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