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Thread: Fault codes, no symptons.

  
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    Post Fault codes, no symptons.

    Was installing my HU today and realised that the EML light was not going out with the ignition on (engine off) so decided to read the fault codes.
    These were
    0380 Glow Device Circuit Low Voltage
    1635 Glow Plug Circuit

    Have reset the codes and they came back within 1 turn of the key.
    Is this a simple matter of replacing the glow plugs or could it be something else?
    Only once since i have owned the car have i needed the glow plugs to start and it has only done 65k miles and ive owned since 38k.

    My engine is a Y17DT isuzu one and if i do need to change the plugs how difficult would it be to do for someone who is mechanically minded and how much should i be looking at for the plugs.

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    Hi there,

    You could check or even replace your glow plugs, but TIS 2000 info suggests the fault codes could also indicate glow plug controller failure. No doubt someone will disagree - just thought I would pass on the info to you.

    Oh my - I just checked eBay and I think this is a new one current bid at only 99p one hour to go - if its the right one it might be worth buying just for the experiment...

    http://cgi.ebay.co.uk/VAUXHALL-ASTRA...item335cbd7a68

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    I was interested so watched the auction, jumped up at the last minute and sold for 6.50.

    Anyway, if you do find that you need a new controller you can get a new for 27 pounds, eg.

    http://www.vauxhallworldparts.com/pa...rtlinkid=14768

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    Cheers for the advice i doubt itll bother me until the winter time anyway so i guess i got plenty of time to play around :P

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    Fair enough.

    By the way, I was looking at previous threads - did you bother getting your injectors serviced?

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    Havent had chance yet as i need my car alot i am going to borrow an EDU from somewhere first see if thatll fix it as i know is a common problem and thats a ten minute job rather than messing with the injectors which takes about an hour and can be a bit messy. Will feedback all that i get.

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    Right well im guessing its just one of the glow plugs not working properly as the glow light came on this morning was on for a second and went off so i guess that means the circuit is working right as it got to temp?

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    Do you have a multimeter? You could pop them out and check resistance, or some people like to put 12 volts to them and watch the tips get red hot...

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    A job for the weekend me thinks

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    Before you remove the glow plugs spray around the threads with WD 40 for a couple of days, and when you turn them out go easy, short steady turns because you don't want to snap them which will cause yourself a whole lot of trouble. You can check the resistance in situ but I prefer to take them out and apply voltage accross them, and providing they glow at the tip first they are ok if they start to glow anywhwere but the tip first discard them. If when you remove the glow plugs you find any that are pitted along the element this would give you a clue to which of your fuel injectors may not be producing a good spray pattern in which case the injector should be inspected.

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