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another temperature question

Discussion in 'A3/S3 Forum (8L Chassis)' started by tubby-ben, Feb 12, 2012.

  1. tubby-ben
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    tubby-ben Member

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    [Feb 12, 2012]
    for the past 2 day when i pop the ignition on i get a beeping sound and a red flashing sign which looks like something water related. what is this? , also car will only warm up to around 75-80 degrees when driving, if in traffic it does go to 90 degrees but then once moving it goes back to 75-80 degrees again, what would cause this? cheers in advance guys....
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  3. jcs356
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    jcs356 Brum brum

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    [Feb 12, 2012]
    Anything Red means it should really be investigated. Which one of these is it - I'm guessing 9? In which case you need to check your coolant, although note that the sensor can throw this fault when it's really cold (mine did it). I just added a tiny bit of de-ionised water and that sorted it.

    [​IMG]
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  4. S3featesV9
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    S3featesV9 Active Member

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    [Feb 12, 2012]
    Tuffty is going to love this post. Is ur coolant level ok? And are the contacts inside ok? I'd suggest same as all other temp posts. Thermostat stuck open would explain the lack of engine temp.
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  5. tubby-ben
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    tubby-ben Member

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    [Feb 12, 2012]
    jcs cheers buddy, it is coolant level. i have checked this though and its bang on the line it should be on. any thoughts on why this would still flash and beep? also any idea on the temperature not increasing much when i drive along? cheers dude..
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  6. tubby-ben
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    tubby-ben Member

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    [Feb 12, 2012]
    hi buddy yeah ive checked the coolant level, obvious thing i could think of at 1st, level is bang on the line, havent checked the contacts to be honest so will look at it when i get up tomorrow. i will get a new thermostat anyway too, my step dad ownes a car spares shop so i will get everything trade price. cheers mate....
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  7. S3featesV9
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    S3featesV9 Active Member

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    [Feb 12, 2012]
    I've never experienced this issue, but do remember seeing a post about it a while back. Once he cleaned up the sensor contacts the problem stopped. Might be worth while replacing the CTS too. Takes 30 seconds to replace and only be a couple of quid with your trade discount.
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  8. tubby-ben
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    tubby-ben Member

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    [Feb 12, 2012]
    thanks for the help, yeah i will change it all i think. not worried on the cost i just want my car running 100% again.
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