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  1. #1
    VXR newbie
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    18th December 2016
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    Default Need help/advice astra h vxr

    Hi recently got my astra h vxr 2009 35k miles
    Was completely fanfare I have got an airtec fmic
    Both cats are out standard centre and back box upgraded panel filter stage 2 remap
    Recently I was going down a dual carriage way after the map was done to test it out and in 2nd gear put my foot down car would get to 5k revs struggle to get passed then there would be a lack of power exhaust note would start to rumble and engine light would start flashing check the codes and it has come up with misfire if you turn the car off and on again it goes away and works completely fine so again I tried 3rd gear boost to 5k revs car struggles around 5k revs to get past but if I apply a softly acceleration I'll make it past 5k revs
    I have changed the coil pack I have changed spark plugs all genuine fm I have gapped the spark plugs has anyone else had this problem before

  2. #2
    VXRacing ahead
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    17th January 2013
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    Default

    Wot did your tunner say when you told him or her ? why did you gap the plugs?

  3. #3
    VXR newbie
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    18th December 2016
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    Default

    Was told by tuner and also had a look on here there was guys a few years ago with similar problems who gapped them and it sorted out there issue but didn't work for me

  4. #4
    The long necked one jiraffe's Avatar
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    18th September 2009
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    11,685

    Default

    id be taking it back to the tuner
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  5. #5
    VXR Nothing comes close w20adm's Avatar
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    23rd June 2010
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    Default

    Maybe maf mate.
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  6. #6
    VXR enough VeXeR's Avatar
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    19th January 2014
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    Default

    Could be a boost leak, but as above, bring it back.
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