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Corsa Sport » Message Board » Help Zone, Modification and ICE Advice » misifire 1.2 8v


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Author misifire 1.2 8v
MR2Mike
Member
Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
User status: Offline
19th Jul 06 at 20:52   View User's Profile U2U Member Reply With Quote
ok i serviced the little corsa around 2-3 k miles ago and whilst my car was in haveing the exhaust changed , a mate who works there said it was misifiring badly, he put new spark plugs in as they were covered in black crap.... and it didnt help it a bit, its now loud as fuck again..... even as loud as when my previous 1.4 had a fucked water pump..... the ht leads still look like new but the spark plugs already have black shit on them.... do i need some decent HT leads and some decent spark plugs ???


thanks
MR2Mike
Member
Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
User status: Offline
20th Jul 06 at 20:29   View User's Profile U2U Member Reply With Quote
^
Glen
Member
Registered: 2nd Sep 01
Location: Heathfield, East Sussex
User status: Offline
20th Jul 06 at 22:03   View User's Profile U2U Member Reply With Quote
have you put genuine vauxhall sparke plugs in coz weve noticed at work the vauxhalls across the range dont like any other sparke plug
langey
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Registered: 7th Sep 03
Location: Wigan
User status: Offline
21st Jul 06 at 09:58   View User's Profile U2U Member Reply With Quote
are the leads not shagged?

i've had that problem before and it was a fucked lead
jamied
Member
Registered: 27th Oct 03
Location: Marbella,Spain Drives: C63
User status: Offline
21st Jul 06 at 10:23   View User's Profile U2U Member Reply With Quote
dizzy?
MR2Mike
Member
Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
User status: Offline
21st Jul 06 at 17:31   View User's Profile U2U Member Reply With Quote
the garage have replaced the spark plugs i had in, so not sure which ones are in now.

langey dunno bout leads... they arent corroded n tht like the ones before i serviced it were. but then again i dont know the condition inside of them

should i just service it?
MR2Mike
Member
Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
User status: Offline
22nd Jul 06 at 23:34   View User's Profile U2U Member Reply With Quote
ttt.... anyone think its running rich ?
Jules
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Registered: 26th Nov 04
Location: Ipswich, Suffolk Status: Happy
User status: Offline
22nd Jul 06 at 23:45   View User's Profile U2U Member Reply With Quote
Just because the leads aren't corroded it doesn't rule them out, if there is a slight crack in the lead it can arc out and cause a misfire, trouble is that arcing out is very difficult to see unless you are surrounded by darkness.
I'd try changing leads first as it's fairly cheap and is the next logical step to take.
MR2Mike
Member
Registered: 20th Jan 05
Location: Old Trafford. Drives: MR2 N/A
User status: Offline
22nd Jul 06 at 23:46   View User's Profile U2U Member Reply With Quote
yeah buddy i no, hence why i said they look as new, but i dont know the real condition.... ill change them asap

thanks

 
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