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Old 16-06-17, 01:48 PM   #1
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Default Air con pressure switch location

Please does anyone know where this is on a 2008 207 1.4 vti? searched high and low and found nothing. Also seems very expensive at the dealers (70) so if anyone can point me somewhere else that is cheaper it would be very much appreciated. Cheers
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Old 16-06-17, 07:52 PM   #2
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Can anyone confirm if this is it? (Back of pic behind air filter cover)?
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Old 16-06-17, 08:42 PM   #3
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know very little about the air con , but book says its on right hand rear of engine compartment, fitted on top of the air con pipe.

suprised there isnt a high pressure and low pressure, be a little careful if shorting, no idea how the peugeot electrics will behave. and only short briefly or it will over pressure

and dont remove it unless system empty, its nasty stuff.
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Old 20-06-17, 09:10 AM   #4
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Well i changed the pressure switch and still not kicking in. Went to halfords and they read the pressure and it was too high, so had a purge and regas still not working.

Also now i have Anti pollution back and 'STOP ENGINE TEMP TOO HIGH' every time i start the car even though the engine is not overheating. Fan stays on etc.

Just fed up now been problem after problem. Will get codes later and start again.
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Old 20-06-17, 12:58 PM   #5
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Two unrelated electrical errors - I'd be looking at the age of the battery and a BSI reset.
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Old 20-06-17, 01:52 PM   #6
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Hi Gibbo.

RAC just had a look and following codes came up;

p0119 - coolant temp sensor coherance
po117 - coolant temp sensor short circuit to ground
po597 - controlled thermostat open circuit
po598 - controlled thermostat short circuit to ground

Now think we have solved the 'STOP ENGINE TEMP TOO HIGH'... when he removed the connection to the sensor (grey sensor with single pin not the one on top of the thermostat housing' the needle dropped. Can anyone tell me what this sensor is called btw as i thought the coolant/temp sensor was the one on top of the housing?

But as for the air con i'm still stuck. I will check age of battery soon.
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Old 20-06-17, 01:58 PM   #7
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Here's a pic of what I'm looking for
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Old 20-06-17, 07:06 PM   #8
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looks like the right area, some are screw in but think you will find it a clip in so carefully pull clip out , pull sensor and block end until you pop new one in.

you may find this is why your ac is not working as its all tied in with rad fan etc


oh just read your post again, not sure what the other sensor is, but book does say- on vti petrol models there is a second wiring connector on the coolant housing, this is for the electronic controlled thermostat.


spooky, the pic in the haynes is almost identical to your pic...

Last edited by stripe88; 20-06-17 at 07:17 PM.
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Old 20-06-17, 07:42 PM   #9
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Hi Stripe, yes the one I replaced was the sensor that comes out vertically of the stat housing and is known as the coolant/temp sensor depending where you look.

This one im not sure what it is called so I can't buy the part! Took it to a peugeot parts place tonight and they say it's a temp sensor and that there has been a recall. But how do i differentiate between the 2?! Also is there anyway at all this could be linked to air con not working?
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Old 20-06-17, 07:44 PM   #10
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Sorry just seen your post about linked to fan etc. Fingers crossed eh. Just need to find that part
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