Check the attached photo - it looks like a vacuum diaphragm, only the vac line is missing from it. I can't see any loose vac lines around there so I'm wondering where it is supposed to go to. What does yours look like? This is an 8A RRS TDV6 2.7. It's at the top rear of the passenger side cylinder head.
Just had a look through the manual and can see it in a couple of drawings near the HP fuel pump but can't find any reference to what it does!
Not much help i'm afraid.
Regards
Barryp
No vac hose to mine either and non off around it. Looks like a preasure reg that would be at the end of a fuel rail that would need a vac hose to open it. Mine runs fine, would not panic
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