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Thread: Rough iddle sometimes..Help.

  
  1. #1
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    yan's Avatar
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    Rough iddle sometimes..Help.

    I have Z20LET on ASTRA OPC 200HP.
    Sometimes rough iddle.
    I change mass air flow meter,same probleme.
    I change Temperature water sensor,same probleme.
    I change injector,spark plug,fuel filters same probleme.

    The probleme comes not all times...
    Sometimes 2 weeks all good..but sometimes rough iddle again.
    I cleaned the throttle body assy.
    Should i change this parts?
    In workschop Opel in my country they use TECH2 tools and no trouble codes find.

    Can you help me please.
    Sorry for my bad English.

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    mattcoupturbo's Avatar
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    Opel workschop control this connection all is ok.
    And they says that this repair (ground connection) is for DTC P1106.

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    I will try this connector.
    If you have another idea,please let me know...
    Thanks

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    I control this connection,and weld 4 wire ground.
    Since two days,no problem,iddle is good.
    I let you know if not ok.
    Thanks for your help.

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    MikeWarner's Avatar
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    I still have to do this, but I'm a bit confused what and where to do what. Is there a more detailed how to?

    Matt - your link could do with more info. What wires, colour? From where? Which end goes to ground? Is there a copy of Vauxhalls instructions that you mention anyway?I really want to do this, but need more info.
    8 Astras in a row! Can Anyone Beat That?
    Star Silver Astra Sporthatch SRi XP 1.9 CDTi (150PS)
    A Vauxhall site about Vauxhalls.

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    Quote Originally Posted by MikeWarner View Post
    I still have to do this, but I'm a bit confused what and where to do what. Is there a more detailed how to?

    Matt - your link could do with more info. What wires, colour? From where? Which end goes to ground? Is there a copy of Vauxhalls instructions that you mention anyway?I really want to do this, but need more info.
    http://www.astraownersclub.com/vb/sh...d.php?t=117185

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    Dude - he already posted that link above. It doesn't appear to have enough info to do that work - I assume this is to be read in confunction with another document... ?
    8 Astras in a row! Can Anyone Beat That?
    Star Silver Astra Sporthatch SRi XP 1.9 CDTi (150PS)
    A Vauxhall site about Vauxhalls.

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    Mikes it dead clear which ones need to be changed, when you open the loom there are four wires all connected via a crimp covered in heatshrink, all the rest of the loom is single wires. They are a browny sort of colour though.

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