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Thread: Astra 1.7td 1999 help needed

  
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    mactat2's Avatar
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    Astra 1.7td 1999 help needed

    Hi All, can anyone shed anylight on what could be causing this......?

    Was driving down the motorway when my engine management light came on and the engine got noisier. I pulled off at the next junction and switched the van off, turned it back on and no management light. Turned her over and it fired up but sounded noisey, so turned it off and called the rac. The guy plugged in his diagnostic gear and it showed the injection timing was running at 12.6 deg instead of the 1.6 deg it's supposed to be. He reckoned it had either jumped a tooth on the timing belt or the pump was faulty?? He didnt really seem too sure either way is this something the pump can cause, or could it be the crank sensor? The timing belt seems tight but i suppose it could have jumped? Any advice much appreciated, as the vans too tidy to scrap, and i'd much rather get her going again if i can.
    cheers

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    oh forgot to mention it also showed a fault code of P1220

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    Nothing better to do so I just did a small search which indicates fault code P1220 has to do with either throttle position sensor or fuel adjustment

    from another forum it says:

    "p1220 = fuel quantity adjustment control - malfunction.
    prob cause fuel quantity adjuster, ecm."

    Don't know how this might relate to the timing as you describe...

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    cheers Paul, that sounds a little more promising. So i may just need a new ecm?

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    Hi again,

    The suggestion on that old post was to contact Diesel Bob. He was contacted and apparently said it wasn't so simple and would likely require a new injector pump.

    Maybe you could send Diesel Bob an email see what he says http://www.dieselbob.co.uk/contactus.shtml

    Good luck

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    Quote Originally Posted by mactat2 View Post
    oh forgot to mention it also showed a fault code of P1220
    My 99as td estate went into 'limp' mode and showed nothing on the diagnostic. The limp mode engaged because a worn cambelt slipped on the pump. This is the AA mans' opinion. It never made any funny noises (unlike the AA man!--Who then dropped his torch-bit into the manifold and kept the car for 6 days to get it out!) I am told by two mechs that my pump timing is slightly out, but nothing is displayed on the 'error' display. The pump wheel is quite large and it would be difficult for a good condition belt that is not loose to 'jump'! Hope this info is of use.

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    Hi All, checked the timing belt and it has jumped a tooth, anyone know how i can lock the pulleys without going to the expense of buying a full locking kit?
    cheers

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    Anyone got any ideas?

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    Techno's Avatar
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    Can't you use cut down allen keys, drill bits or dowls to lock the pump?

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