davidm
Member
Registered: 21st Mar 11
User status: Offline
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Hi. My c20xe corsa has a bad misfire. Ive changed the afm for known working one ive also changed the CTS. Ive checked the earths on fuelrail all 3 of them there all tight and clean. I noticed when revving it on the dizzy where king lead and #1 lead goes is glowing when its missing also.. With ligthts of you can see the spark arcing through all leads there arcin to themselfs and to rocker cover. Its like the coil is putting to much power through. Checked plugs also and tips of earth were white. The car when it splutters will do it but when it gets going its alright but feels like its holding back and has a slight miss when you just push throttle to the floor.
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davidm
Member
Registered: 21st Mar 11
User status: Offline
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Also tried differnt leads and a another dizzy cap no difference. Is there an earth coming from coil or does it earth when bolted to chassis leg?
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monkeytwizzel
Member
Registered: 10th Aug 11
Location: Chard, Somerset
User status: Offline
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Try a new set of leads and make sure they are in their spacers correctly first,it`s no good if the spark`s not reaching the end of the plug!
Change the spark plugs aswell if not done recently.
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davidm
Member
Registered: 21st Mar 11
User status: Offline
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Like i said ive tried other leads but no difference got the new plugs today so will try them
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Bprice91
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Registered: 2nd Oct 12
Location: Swindon
User status: Offline
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mine was spluttery when i first put the engine in but i serviced the car just oil and filter and iridium plugs and that sorted my problem bud
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davidm
Member
Registered: 21st Mar 11
User status: Offline
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Aye this is ubdrivable though
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monkeytwizzel
Member
Registered: 10th Aug 11
Location: Chard, Somerset
User status: Offline
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So the leads you have tried stopped the arcing problem but it still misfires?checked for any air leaks/split in pipe between afm and throttle body,did you swap the rotor arm when swapped caps?
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