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Thread: diesal fault code advice please

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    Regular Member tj56's Avatar
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    Default diesal fault code advice please

    hi guys. the missus has a vectra 2005 facelift 120 cdti and last week or so the fault light has been coming on then goin back off. eventually got around to plugging it into a code reader and got these 2 below.

    P0621 Generator Lamp "L" Control Circuit Malfunction
    P0380 Glow Plug/Heater Circuit "A" Malfunction

    In the morning the heater light comes on as normal before turning over and goes out, then when starting its a bit lumpy but then starts ok but been like this before fault light came on.
    its also a little juddery when in low rev range

    What do you reckon guys? take to vauxhall?
    thanks in advance for any advice
    Rob

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    Regular Member tj56's Avatar
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    advice bump

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    Vehicle : Golf 7

    Trim : GTD

    Engine : 2.0 TDI 184PS

    Year : 2014

    Mileage : 40000

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    Most likely the glow plugs are at fault. Does it get better as the engine heats up?

    Gazza4

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    Regular Member tj56's Avatar
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    Quote Originally Posted by Gazza4 View Post
    Most likely the glow plugs are at fault. Does it get better as the engine heats up?

    Gazza4
    hi Gazza, its the wifes car so she drives it 99% of the time. would a faulty glow plug (or more) give the lumpy start and judder when in lower rev range when engine cold and also put on the fault light?

    Also when the engine is warm would this turn out the fault light? this may explain the reason why it comes on then goes out.

    I do not know much about diesals, how hard a job is it to replace them and whereabouts would they be located? ive read that euro parts do set of 4 for about 40ish
    cheers for reply

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    Regular Member tj56's Avatar
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    done a bit of searching and feel it should not be too difficult a job, sounds more fiddly than difficult as at rear of engine and EGR has to come off, which is fine as could probs do with a clean.

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    Admin & Merchandise Manager bigmac's Avatar
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    Vehicle : insignia

    Trim : irmscher

    Engine : 2.0 cdti

    Year : 2009

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    You might get more replys if it was posted in correct section

    Now moved

    Irmscher Insignia CDTI 130

    MOD'S...Irmscher front spoiler, Irmscher mats, Irmscher door pins, Irmscher rear spoiler, Irmscher grille, Irmscher skirt & exhausts,Irmscher Roof spoiler MOD'S TO COME..Side skirts,Wheels

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    Regular Member tj56's Avatar
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    Quote Originally Posted by bigmac View Post
    You might get more replys if it was posted in correct section

    Now moved
    thanks for that
    Last edited by tj56; 10th February 2011 at 11:30.

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    Default glow plug prices

    full set glow plugs @ Euro parts 56.52 (with VAT)
    AV Taylor (local factors) 26.92 (with VAT)

    Taylors are a lucas part and i am guessing the other is Bosch. any one used the lucas part and are they a decent alternative?
    cheers

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