Sm0kah Posted May 23, 2012 Report Share Posted May 23, 2012 A question for a mechanical mind. I have just bought one of the above cars 1.4 petrol. The cooling fan will come on when i turn the ignition on not started even when the engine is cold. Also a stop warning light is coming on the dash when driving. Water and oil levels all ok i know its not much to go on but any tips on finding what the problem is will be great thanks. Quote Link to comment Share on other sites More sharing options...
the enigma Posted May 23, 2012 Report Share Posted May 23, 2012 The problem with the fan sounds like a faulty sensor.I had the same problem with the 306 turbo diesel I used to drive. Not sure about the warning light though. Quote Link to comment Share on other sites More sharing options...
karpman Posted May 23, 2012 Report Share Posted May 23, 2012 Could be a sensor pal, or someone could of messed with it. If it was cheap drive it to death and way her in. If its your pride and joy get her checked out. Karpman Quote Link to comment Share on other sites More sharing options...
karpman Posted May 23, 2012 Report Share Posted May 23, 2012 If temp sensors mullered could be telling ecu engine is hot hence the stop light. Bit hard to diagnose without a look mind lol. Karpman Quote Link to comment Share on other sites More sharing options...
SPARKIE Posted May 24, 2012 Report Share Posted May 24, 2012 on the back of the radiators on the 306 if my memory is correct there is a plastic box running down the side of the rad....inside the rad is the relays the box lets water in and this makes the fans stick on as it also rotts the wires....also check the wiring looms under the front lower panel behind the bumper as when peugeot made the looms they used steel pegs to run the looms round, this damaged the looms and they also corrode well known problem....have a look at them if not the switch to test the switch just disconnect it and make sure your aircons of if it has it as this will automatically start the fans. have a look here. http://www.google.co.uk/imgres?imgurl=http://i57.photobucket.com/albums/g212/ScouseMonkey/pug306net/ha12c33a.jpg&imgrefurl=http://www.306gti6.com/forum/showthread.php%3Fid%3D132418&usg=__nAcU6oveDal4mGyme_jRUC5NdnA=&h=532&w=450&sz=45&hl=en&start=21&zoom=1&tbnid=PRyHAGQB9L4roM:&tbnh=132&tbnw=112&ei=Ubm9T8qUK8fP0QWq7s0i&prev=/search%3Fq%3Dpeugeot%2B306%2Bradiator%2Bfan%2Bnot%2Bworking%26um%3D1%26hl%3Den%26safe%3Dactive%26gbv%3D2%26tbm%3Disch&um=1&itbs=1 Quote Link to comment Share on other sites More sharing options...
Sm0kah Posted May 24, 2012 Author Report Share Posted May 24, 2012 Thanks for the suggestions guys i will check these out (when i get a manual) as im not good with cars. Again thanks. Quote Link to comment Share on other sites More sharing options...
cowboy1403 Posted May 24, 2012 Report Share Posted May 24, 2012 it`s french what did you think was going to happen with it, Quote Link to comment Share on other sites More sharing options...
Paddy Galore! Posted May 24, 2012 Report Share Posted May 24, 2012 Thanks for the suggestions guys i will check these out (when i get a manual) as im not good with cars. Again thanks. if you're not that mechanically minded don't you think it'd be a better idea for your local garage to take a look? Quote Link to comment Share on other sites More sharing options...
Livefast123 Posted May 24, 2012 Report Share Posted May 24, 2012 Had the same problem on my 406 V6, changed the 2 relays and that solved the problem. The other culprit could be the ECU temp sensor which is a cheap part and probably the first thing I would change. Quote Link to comment Share on other sites More sharing options...
Sm0kah Posted May 24, 2012 Author Report Share Posted May 24, 2012 if you're not that mechanically minded don't you think it'd be a better idea for your local garage to take a look? Took it to the garage he said to keep a eye on water and oil as it could be anything he wasnt of great help. If i know the cause i can do it myself just i dont know what it is. Had the same problem on my 406 V6, changed the 2 relays and that solved the problem. The other culprit could be the ECU temp sensor which is a cheap part and probably the first thing I would change. Was the two relays inbetween the fans? Behind the fron grill? Thanks everyone for your help. Quote Link to comment Share on other sites More sharing options...
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