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Thread: Temperature only rising when still

  
  1. #1
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    Danny_SXI's Avatar
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    Temperature only rising when still

    I have what seems a common problem where the temperature gauge on the car seems to rise to normal running temperature when still and drop when moving.

    It is not showing a fault code though, and no EML.

    Is it the Thermostat or the coolant temperature sensor that causes this?

    Which one will need replacing?

    Cheers

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    my 1.8 astra coupe does this it had every sence iv got it i thought it might be read right coz its cold weather now and when its moving it will be cooling engin down loads

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    Danny it will alot of the time because of forced air flow over the radiator and engine etc, perfectly normal as far as i know

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    No, when it drops it drops down right to the bottom of the gauge again, which is what makes me think its the problem of the temp sensor sticking open, i just don't know which bit it is that sticks open.

    I have found two parts on ebay, the temperature sender, and stat housing.

    any ideas which one is the one that "sticks open"

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    It's a stuck open thermostat... Common problem

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    Thanks Ffoeg, is this the correct part?

    http://cgi.ebay.co.uk/ws/eBayISAPI.d...=STRK:MEWAX:IT

    Or don't i need the housing? just the sender?

    P.s - Car is 2003 1.8 coupe

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    Yeah it looks like.

    It might be wise to check your chassis no tho, since they seem to make a point of listing it. I doubt it makes a blind bit of difference tho

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    Any ideas on where to find the chassis number?

    There is no VIN plate under the bonnet on my car!

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    Quote Originally Posted by Danny_SXI View Post
    Any ideas on where to find the chassis number?

    There is no VIN plate under the bonnet on my car!
    on your v5 form and under the drivers seat as far as i know, could be wrong

  10. #10
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    It's on a sticker on the drivers door pillar,

    or under the plastic flap in the drivers footwell

    It'll start with WOL...........

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