I have searched, and found too much information, but none of it relevant - Trying to locate the pressure sensor switch on the Xsara Picasso.
Air con has been regassed and holds charge.
All connections around compressor have been checked.
Compressor doesn't kick in. Can hear a click, but neither front fans come on, AC doesn't work.
I'm guessing *and hoping* it's just the pressure sensor , it would help if I could find it first, to order a new one.
Post your Cit/Peu/Ren air conditioning queries or advice.
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If it's the dehydrator pressure switch, then it will be on the condenser radiator lower side (left I think).