Pug 207 - engine management system faulty
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Thread: Pug 207 - engine management system faulty

  1. #1
    Fellow Frogger!
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    Default Pug 207 - engine management system faulty

    Hey all,
    Latest fault on the pug displays the message in the title.

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    I've noticed that while the warning light is on, the air con stops working, every now and then the warning turns off and air con blows cold air again.

    Only seems to be effecting the air con, car runs and works as it should.

    Any ideas ?
    Cheers

  2. #2
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    So it seems the failed part is the electronic thermostat. Fault code suggests its gone open circuit.
    Enlighten me sometime, are thermos controlled electronicly these days?
    And what do I need to replace exactly? I suspect it is all built into a housing and it all goes into the bin....

    What a pain! At least it's gone Cactus in the open position as temperature never exceeds what it shouldn't...

  3. #3
    sans witticism SLC206's Avatar
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    Yes, your suspicions are correct - it's an all-in-one unit that needs replacing.

    There was a thread on the Citroen forum about a DS3 with the same item. It's not that cheap.
    Regards,

    Simon

    2018 308 GTi 2011 DS3 DSport
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    2014 208 GTi 2007 207 GTi 2004 206 GTi180 2000 206 GTi 1995 306 XT

    www.peugeotclub.asn.au

  4. #4
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    Might be cheapest to source thermostat from overseas. Try a mob called Eurocarcare who are in the UK. They have access to genuine pug and citroen parts which are considerably than Aus dealers. Just order a chrome mould from C5. Aus dealer price $274. Eurocarcare was $114 shipped!

  5. #5
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    Part is a 145 plus gst from EAI. Sounds reasonable enough to me.

    Since the fault code suggests specifically an open circuit and the fault did come and go initially, will check the terminals for a bad connection first....

    Thanks for the input

  6. #6
    1000+ Posts robmac's Avatar
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    Quote Originally Posted by blink View Post
    Part is a 145 plus gst from EAI. Sounds reasonable enough to me.

    Since the fault code suggests specifically an open circuit and the fault did come and go initially, will check the terminals for a bad connection first....

    Thanks for the input
    Pull it apart and have a look.

    You may find a cooked resistor or bulging capacitor. Or a relay (if it has one on board) with toasty contacts.

    You have nothing to loose.

  7. #7
    Contented Peugeot Driver addo's Avatar
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    Hi Rob, it's not always so easy; check out this picture for an idea:

    GENUINE CITROEN C3 DS3 PEUGEOT 208 1.6 PETROL ELECTRIC THERMOSTAT HOUSING 1336CE | eBay

  8. #8
    1000+ Posts robmac's Avatar
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    Quote Originally Posted by addo View Post
    Hi Rob, it's not always so easy; check out this picture for an idea:

    GENUINE CITROEN C3 DS3 PEUGEOT 208 1.6 PETROL ELECTRIC THERMOSTAT HOUSING 1336CE | eBay
    OK, thanks, similar deal to VAG. Three stage cooling system.

    I had in my mind an aircon thermostat.

    As you were and thanks for the lesson.

  9. #9
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    Ok, part replaced and when scanning the ecu for faults it comes up with nothing which is great. Also, ac, cruise control and all that are up and running again...
    One annoying thing though, even though I cleared the ecu of all faults, it still displays "engine management system faulty" upon start up on the dash together with permanently lit triangle/!
    Any ideas ?

  10. #10
    sans witticism SLC206's Avatar
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    What scanner are you using?

    Most generic scanners have a function to reset the "check engine" light or "MIL" light (as the US likes to call it). This is different to clearing faults.
    Regards,

    Simon

    2018 308 GTi 2011 DS3 DSport
    ----
    2014 208 GTi 2007 207 GTi 2004 206 GTi180 2000 206 GTi 1995 306 XT

    www.peugeotclub.asn.au

  11. #11
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    Ah ha, I'm just scanning with an Android app over a blutooth obd plug in thing.
    I'll see if it has such a function....
    Thanks

  12. #12
    sans witticism SLC206's Avatar
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    It's also possible it's one of those faults that needs multiple "good" restarts in order to clear the check engine light.
    Regards,

    Simon

    2018 308 GTi 2011 DS3 DSport
    ----
    2014 208 GTi 2007 207 GTi 2004 206 GTi180 2000 206 GTi 1995 306 XT

    www.peugeotclub.asn.au

  13. #13
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    Legend mate! Problem solved, just had to find the right app.

    Don't try this job at home If you got humongous hands is all I can say !

    Unfinished threads pee me off when looking for info so here's pics of the old part for future reference. Comes complete with coolant temp sensor and set me back $145+gst from EAI (for a gti).
    They had a variety for 207's ranging up from $105+gst.

    Dealers wanted $150 to scan the thing then labour and parts cost on top. Took me like 2 minutes to pull the fault code with a phone! What's that....hang on...$4500 an hour, yep

    Beer o'clock

    Thanks all.
    Attached Thumbnails Attached Thumbnails Pug 207 - engine management system faulty-uploadfromtaptalk1427508703440.jpg   Pug 207 - engine management system faulty-uploadfromtaptalk1427508730124.jpg   Pug 207 - engine management system faulty-uploadfromtaptalk1427508931777.jpg  
    Last edited by blink; 28th March 2015 at 01:45 PM.
    SLC206 likes this.

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    Well done, I love this forum.

  15. #15
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    Quote Originally Posted by SLC206 View Post
    It's also possible it's one of those faults that needs multiple "good" restarts in order to clear the check engine light.
    gave it about 10 goes then called it lunch time, read your post, found an app, back to the car, key on, engine running, flashed the message at me again, stuffed around with the app, and it turned off after a couple of minutes.

    Not sure weather it was the app or not anymore tbh, but its fixed !

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