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Name That Part! Mystery Pug Plug

309 Views 4 Replies 4 Participants Last post by  Macron95
Hi all👋
Hoping someone can identify this electrical plug and its function on my 2003 Peugeot 307 2.0L petrol (RFN EW10J4 engine).
See attached pic for reference.
Looking from the front of the engine, it is just below and to the right of the throttle body, and it seems to be attached via a piece of solid plastic to the port that the vacuum pipe from the crankcase ventilation hose plugs into.
Doesn’t seem to be any kind of sensor in that area - unless it is built into the plastic port itself - and there is no mention of it in the Haynes manual.
Any ideas?
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As above I would think throttle position/idle switch used to trigger fuel cut off on over run

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