Matt.H
Member
Registered: 12th Mar 03
User status: Offline
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Well after thinkin my corsa (1.4 16v) had a jerk in it....i have found its a misfire thats causing this jerkiness. it misses about 1500rpm and is there all the time. Anyone have any ideas what can cause this? Plugs are changed every service, egr blanked off and air pump removed.
colud it be a sensor?
cheers
[Edited on 10-10-2005 by Matt.H]
[Edited on 10-10-2005 by Matt.H]
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Dave A
USER UNDER INVESTIGATION - DO NOT TRADE
Registered: 10th Dec 03
Location: County Durham
User status: Offline
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could be:
map sensor
throttle position switch
lambda
coolant temp sensor
plugs
leads
dis pack
you get the idea
i would start with cts then lambda.
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ra5ax
Member
Registered: 7th Dec 04
Location: Steeple Morden, Cambridgeshire
User status: Offline
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check my posts got the same problem
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Mertin
Member
Registered: 12th Oct 05
Location: Scotland
User status: Offline
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my mate had a similar problem, really bad misfire and vauxhall had it on the diagnostics and couldnt find a fault
turned out 2 be an HT lead
youve maybe already tried that though
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Matt.H
Member
Registered: 12th Mar 03
User status: Offline
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It has original vaux leads i think. i have never changed them in the three yrs i've had it.
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Mertin
Member
Registered: 12th Oct 05
Location: Scotland
User status: Offline
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may be worth swapping them with a mates, just 2 see if it helps rather than going and buying
does the mis fire get worse when its warm and does it stop misfiring as u approach redline?
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Matt.H
Member
Registered: 12th Mar 03
User status: Offline
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it only misfires at 1500rpm...its fine everywhere else and always is. its just fixed in one spot.
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