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Author Topic: Misfire  (Read 1612 times)

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animal65

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Misfire
« on: 06 June 2013, 11:50:36 »
Ok so car eventually passed MOT tester says car running very clean emissions it sailed through drove out of the mot station and now im only firing on 4 cylinders should be 6 keeps misfiring plugs have done a maximum 20k checked all and cant seem to see anything obvious this is was an intermittent fault now constant
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henryd

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Re: Misfire
« Reply #1 on: 06 June 2013, 11:53:25 »
Do the paper clip test(howto in maintenance section) and see what codes flag up,my money is on coil pack failure :-\
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animal65

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Re: Misfire
« Reply #2 on: 06 June 2013, 11:58:23 »
do you have a link im no good with technology lol
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henryd

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Re: Misfire
« Reply #3 on: 06 June 2013, 12:03:45 »
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dbug

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Re: Misfire
« Reply #4 on: 06 June 2013, 17:01:04 »
Quote from: henryd on 06 June 2013, 11:53:25
Do the paper clip test(howto in maintenance section) and see what codes flag up,my money is on coil pack failure :-\

+1 :y :y
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albitz

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Re: Misfire
« Reply #5 on: 06 June 2013, 17:38:10 »
Although the paperclip test wont throw up a fault for a duff coil pack. ;)
It will rule all sorts of other things in or out though. :y
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henryd

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Re: Misfire
« Reply #6 on: 06 June 2013, 21:50:45 »
Quote from: Albitz on 06 June 2013, 17:38:10
Although the paperclip test wont throw up a fault for a duff coil pack. ;)
It will rule all sorts of other things in or out though. :y

Yes I realised that but thought it was worth checking for owt else :y
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albitz

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Re: Misfire
« Reply #7 on: 06 June 2013, 22:09:32 »
Yep. :y
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TheBoy

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Re: Misfire
« Reply #8 on: 07 June 2013, 07:46:13 »
Paperclip it, if no fault codes, suspect HT side, as suggested above.
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animal65

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Re: Misfire
« Reply #9 on: 08 June 2013, 10:14:08 »
it is the coil pack
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symes

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Re: Misfire
« Reply #10 on: 08 June 2013, 11:59:32 »
Quote from: animal65 on 08 June 2013, 10:14:08
it is the coil pack
are you sure?  most miggy's I encounter-its lead breakdown not coil pack-usually because they been fitted with cheap leads-which dont last
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dbug

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Re: Misfire
« Reply #11 on: 08 June 2013, 15:57:44 »
Quote from: symes on 08 June 2013, 11:59:32
Quote from: animal65 on 08 June 2013, 10:14:08
it is the coil pack
are you sure?  most miggy's I encounter-its lead breakdown not coil pack-usually because they been fitted with cheap leads-which dont last

2 cyls lost = coil pack ;)  Same as on my old Elite
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