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Thread: Signum 2.0T. Couple of questions???

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    Default Signum 2.0T. Couple of questions???

    Just bought a 53 reg 2.0 Turbo Signum. Great car, loads of space but a little on the thirsty side.

    Averaging about 23mpg increases a little with motorway driving but not much. I had a T reg Astra a while ago that didnt warm up properly had it fixed under warranty and the fuel consumption was better.

    The engine runs at a steady 85 C, every Vauxhall i have had in the past ran at 90C. Do u think this could be the problem?

    Also outside temp is showing either "F" or -35C. Sensor problem?

    Cheers

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    Regular Member The-Bandit's Avatar
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    Well you get more than me mate, i got a 04 2.0T Siggy and its also thirsty, getting about 20 mpg around town

    Bit of a diff from the diesel Vectra i had ...38mpg round town

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    Ex Vec-C Admin ed taylor's Avatar
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    Vehicle : Vectra Estate

    Trim : Elite

    Engine : 3.2 V6

    Year : 04

    Mileage : 000

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    Sounds about what I get from my 3.2 V6. Get,s worse if my right foot gets heavy though.

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    Regular Member john_k_sri's Avatar
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    Vehicle : Vectra

    Trim : SRI NAV XP

    Engine : 1.9 CDTI 150

    Year : 2007

    Mileage : 72K

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    Figures sound about right. I have a 2.0T Vectra which is a little more economical than yours, but it is lighter and slightly more aerodynamic than your Siggy.

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    [Ex]Admin Duncan's Avatar
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    I'll get around 30/31 on a long motorway run, around 26/27 combined and can drop to 22 on just town driving - so if you're not getting much more than around 24 even on a long run, then it doesn't sound quite right. Those figures BTW are based on my averages over a length of time - when I had the BSR Stage 1, but they didn't really change from having it as standard.

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    What about the running temp, like i say it never gets highter than 85C, every vauxhall i have had ran at 90C dead on?

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    Ex Vec-C Admin ed taylor's Avatar
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    Vehicle : Vectra Estate

    Trim : Elite

    Engine : 3.2 V6

    Year : 04

    Mileage : 000

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    Quote Originally Posted by gobezza View Post
    What about the running temp, like i say it never gets highter than 85C, every vauxhall i have had ran at 90C dead on?
    Not even when you are stuck in traffic for a while. my 3.2 will go to 100 if I am in traffic for a while, but normal is about 85 to 87.5. It might be that your thermostate needs changing?

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    [Ex]Admin Duncan's Avatar
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    Quote Originally Posted by gobezza View Post
    What about the running temp, like i say it never gets highter than 85C, every vauxhall i have had ran at 90C dead on?
    Mine sits bang on 85C virtually all the time. Very occasionally it'll edge up between 85 and 90 on a warm day or after a spirited run, or it'll touch 90 if stuck in traffic. I've never seen it past 90 ever.

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    Regular Member john_k_sri's Avatar
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    Vehicle : Vectra

    Trim : SRI NAV XP

    Engine : 1.9 CDTI 150

    Year : 2007

    Mileage : 72K

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    Same as Duncan. My old Astra 1.4 used to go up to 100 in traffic, but my Vectra never does.

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