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car miss fireing at 3000-400rpm please help!!!

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Old 07 July 2009, 12:32 AM
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koolben19
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Unhappy car miss fireing at 3000-400rpm please help!!!

hi all new here today
just got my p reg sti import today and every so often when i boost up as soon as the turbo kicks in the car stutters relly bad then all of a sudden boosts up
any ideas anyone
its like a missfire but does its every so often was out for an hour tonight and it did it about 15 times
please help !!!!
Old 07 July 2009, 03:27 AM
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subaru-impreza-2000
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Originally Posted by koolben19
hi all new here today
just got my p reg sti import today and every so often when i boost up as soon as the turbo kicks in the car stutters relly bad then all of a sudden boosts up
any ideas anyone
its like a missfire but does its every so often was out for an hour tonight and it did it about 15 times
please help !!!!
Firstly, welcome to SN mate

Secondly, sound's like a problem my mate used to have in his classic wrx, i think it may be the spark leads need changing, as when they need changing the car often misfires off the launch and its normal after about 4000 rpm.
My mate had the similar problem and he got his spark plugs and leads changed, and all was well.

When was your car last serviced if you know?
Old 07 July 2009, 08:14 AM
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kevin wrx
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check coil packs and plugs.
Old 07 July 2009, 02:41 PM
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koolben19
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it has got brand new leads on it and they are good ones too
tried cleaning the maf today but it is a brand new unit so it is fine
been told it could be the coil pack on the top of the engine
????
Old 07 July 2009, 02:50 PM
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koolben19
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also only seems to do it when engine is hot then will stop then start again\?||||
Old 07 July 2009, 04:16 PM
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Antony@indigo-gt
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What are the plug gaps? We had a car in recently with plugs fitted by a dealer with 1.1mm gap
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