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Thread: help me diagnose engine problem

  
  1. #1
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    markiehill's Avatar
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    Question help me diagnose engine problem

    I drive the car about 1/2 mile from cold and then pull up and sit ... engine idle becomes erratic and then if you stand outside the car you can hear a loud clicking metallic sound and the revs go up then they drop and again the same noise. At this point the coolant / engine light comes on (not the spanner) and the car will eventually stall.

    This car has had just about everything replaced and yet still they cannot find fault , the only fault code reported was: P1160

    Problem is that it does this when approaching roundabouts as well which is not so handy but is not always reproduceable.

    Is this the earth problem ? Does anyone have any ideas ... Is there anybody in this area want to come and listen, coz I am stumped !!!
    Black Zafira GSI 52 plate.
    Black Merc C230K Class Sports Coupe 53 plate

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    chrismk4gsi's Avatar
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    Sounds like the earth problem to me. I fixed mine last month and not had any probs since.
    Former GSi owner, now own a plastic car with a vectra engine......

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    CraigShag's Avatar
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    Could be the idle control valve???

    but its too had to tell without seeing it.

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    markiehill's Avatar
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    Thanks for the replies, the problem I have is that although the car has done 70k miles, it is still under Vauxhall Warranty for this problem as we had the car from new.

    None of the dealers will listen to me about the Earth problem, and they keep giving us it back not fixed. If i touch the wiring then the warranty will be gone i suppose.

    Are there any vauxhall techs on here, or anybody who can tell me how to get the to look at this properly.

    Mark
    Black Zafira GSI 52 plate.
    Black Merc C230K Class Sports Coupe 53 plate

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    robwillis69's Avatar
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    If its under warrenty i'll take it further with them...

  6. #6
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    my problem is the dealer will not listen when i tell them about the earth problem... all they do is check tech2 get the code and then replace the boost valve.

    They have changed virtually every part even the ECU... Is there any way in which i can prove this is the earth problem.

    Mark
    Black Zafira GSI 52 plate.
    Black Merc C230K Class Sports Coupe 53 plate

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    ZaffyGsi's Avatar
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    Have they replaced the EGR valve, thats if the z20let engine has one? This went on an old corsa of mine and sent the revs all over the place and would then stall. Common fault on ecotec`s i believe.

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    montyfox's Avatar
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    There is no EGR valve on the Zlet IIRC.

  9. #9
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    markiehill's Avatar
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    It's a bit of a problem, because the dealer treats us like a moron, i have pointed them to this forum a few times and they just look at me like i am an alien or something.

    It has been in at two dealers for approx 10 times in the past two years for this problem, they kind of imply that we are making it up. (We have photos of the light on).

    Vauxhall have said that they will warranty this problem for the lifetime of the vehicle as long as we own it, but to be quite honest i just want it fixed. Seems the dealers are not kitted out to do anything but change parts.

    Mark
    Black Zafira GSI 52 plate.
    Black Merc C230K Class Sports Coupe 53 plate

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