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what year is it? usually its the pressure switch located under the front undertray the one with pop rivets holding it in near to compressor unscrew it its on a schrader valve so no gas will come out, then go and get ripped off at Renault £107.00 for a new one! have the air con re gassed and cleaned properly then take your car in to Renault and ask them to re prorgram the ecu as this controls the air con not a relay, however by the battery and and tucked away is a fuse board you can see half a dozen or so large fuses ignore these and you will see a black sealed box above this contains more fuses its fuse number 2 if its blown but very much doubt it.......Read on if your gas gets low or pressure switch fails very very common on scenics it will send a signal to ecu telling it to stop the pump from working and the only way to get it turned on is by Renault and they charge £49 for the privelige

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13y ago

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