Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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Just had a joyful drive with misfires cutting out and jerking around.
Dizzy obviously wasn't at fault. Can't be arsed to sort it as I'm on holiday Sunday so it'll have to wait until I'm back 
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vx-scottw
Premium Member
Registered: 8th Feb 11
Location: sheffield
User status: Offline
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you tryed ht leads and spark plugs ?
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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HT leads were changed and it ran the same, it's more like power to the coil than spark plugs as it sounds like its stopping all of them firing.
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nibnob21
Premium Member
Registered: 16th May 10
Location: South Derbyshire
User status: Offline
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If fiddling with the HT leads temporarily helped it run better then they are what I'd be looking at first. Them and the spark plugs aren't exactly too expensive to replace.
MX5 Project Thread
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nibnob21
Premium Member
Registered: 16th May 10
Location: South Derbyshire
User status: Offline
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Never mind what I said, we posted at the same time so it makes what I wrote look stupid 
MX5 Project Thread
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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They only stopped a different symptom, it's completely different to the way it's misfiring now
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HarleyMK
Member
Registered: 17th Apr 11
Location: Milton Keynes Drives: Corsa Sport
User status: Offline
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I had a similar problem with mine, was struggling to pull away and would stutter when driving, checked and replaced everything I could think it to be, found that the fuel tank was pressurising cause my breather was blocked after cleaning that out it was fine.
Might be worth a try
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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it's not struggling to pull away it pulls up fine, but when sat at 2K revs it jutters all over the place and sounds like it just turns off.
I'll have a look anyway but something is making me think it's something to do with the coil as that's the only thing that has changed recently.
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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and it pops when it feels like it's cut out which I'd assume would be fuel just going straight through
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nibnob21
Premium Member
Registered: 16th May 10
Location: South Derbyshire
User status: Offline
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From your description it sounds like it very well could be coil related.
Especially as that's all that's been changed recently.
My car used to judder around a bit and it turned out to be the HT leads. I know yours are fine, but a problem with the ignition system will still give you similar symptoms.
MX5 Project Thread
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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Yeah, I'm sure it's ignition related.
Fairly certain it's something to do with the coil or earth to the engine.
One of my mates has said he's going to come round and give me a hand so will check those bits in a minute 
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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
All 4 plugs are like this. Bad or normal?
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nibnob21
Premium Member
Registered: 16th May 10
Location: South Derbyshire
User status: Offline
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Don't look too bad. Shouldn't normally have gunk on the threads though.
MX5 Project Thread
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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That's oil from the rocker gasket I've cleaned it up
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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Well found the problem.
Spent half hour to an hour checking bits over like the coil, plugs, leads. Then decided we'd start unplugging bits like the hall effect sensor which didn't change a thing, then unplugged the TPS which made it run better just over fuelled a little bit which made it pop a bit 

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DansCorsaSXi
Organiser: Yorkshire Premium Member
Registered: 13th Jan 10
Location: Worksop
User status: Offline
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Haha lovely Daz!
So it's the tps that needs replacing?
[Edited on 13-09-2012 by DansCorsaSXi]
Star silver C20XE SXi Project thread
Smoke Grey Corsa GSi Project thread
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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I must say I do love pops 
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Sean
Member
Registered: 14th Sep 10
Location: Eastbourne, BN23 7AZ
User status: Offline
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Glad you found the problem I love popping too mine does it quite a bit 
http://i1215.photobucket.com/albums/cc520/sean_16v/7ab1309d.mp4
[Edited on 13-09-2012 by Sean]
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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Cheers Sean, it pops normally but never properly without it being under load 
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gidged500
Premium Member
Registered: 18th Aug 09
Location: Lancashire
User status: Offline
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Car looked good at Trax darryl ! Always so clean wish my black Corsa would stay clean , as for the rocker I like the silver one
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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Cheers mate, I don't think I saw you! You should have come said hi 
I swear this colour doesn't show up dirt that much 
Sorry the rocker has been bought anthracite paint 
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gidged500
Premium Member
Registered: 18th Aug 09
Location: Lancashire
User status: Offline
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No I was floating around with my girlfriend, i know what you look like now thanks to Instagram lol, I'll have a chat next time and hopefully one of my corsas will be near yours !
It's a nice colour I've never seen one in the flesh same as yours.
I'm old fashioned re rocker cover lol
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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I do like the silver ones but not sure it fits well with the blue and black
Yeah you'll have to come say hi 
Get on the CS stand if you weren't 
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gidged500
Premium Member
Registered: 18th Aug 09
Location: Lancashire
User status: Offline
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Think both corsas need a bit more work to get up to the high standard , yeah your right about the colour coding. What's the next show ?
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Darryl H
Organiser: South Central Premium Member
Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline
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think it'll be next year now, you'll have to come to an MK meet 
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