Join Date: Feb 2007
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I have exactly the same condition on my laguna and I think I am correct in saying the the renault diagnostic test will only confirm that a sensor is at fault and won't actually tell you which one.
If Lagdti is on later he may be able to confirm that for you.
If this is the case you are better off trying everything you can first as the main dealer will probably change them one by one untill the fault clears and that won't be cheap.
Currently in planmeca's garage:
Renault Laguna 1.8 16v x 2 and a lot of other things. could really do with a tidy up to be honest I'll do it tomorrow