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Old 12-13-2003, 02:10   #1 (permalink)
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cold misfire

ive got this misfire, which is a pain in hte arse.

hte car will pop and fart and carry on until its warmed up, or if you give it a quick blast its fine

im thinking my spark plugs might be shot, but as there such a pain to remove/replace, i was just wondering what all you guys reckon first before i do the change.

dont wanna do a plug swap to find its not the problem.

the cap and button were replaced a year ago, as were the leads.
i dont know how old the plugs are tho

so yeah just after your thoughts
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Old 12-13-2003, 03:47   #2 (permalink)
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Re: cold misfire

just replace em. Thryre like $4 each shouldnt cost ya more that $35
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Old 12-13-2003, 03:55   #3 (permalink)
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Re: cold misfire

my car misses under load when cold occasioanlly - all my plugs , leads , cap and button are new so i dunno what it is.....dosent really bother me tho because i dont often put a cold engine under load...so if i take it easy in the mornings its fine...

James
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Old 12-13-2003, 04:04   #4 (permalink)
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Re: cold misfire

oops just saw this is in the windsor section.....mines only an I6...

James
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Old 12-13-2003, 05:51   #5 (permalink)
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Re: cold misfire

It is probably either spark plugs or another part of the ignition system like coil or possibly TFI. It is easier to change the spark plugs first to rule them out and 95% of the time it will be them.
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Old 12-13-2003, 15:48   #6 (permalink)
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Re: cold misfire

Quote:
Originally Posted by cArSiK
my car misses under load when cold occasioanlly - all my plugs , leads , cap and button are new so i dunno what it is.....dosent really bother me tho because i dont often put a cold engine under load...so if i take it easy in the mornings its fine...

James
Mine was the same after plugs change. Turned out I cracked the porcilaine on #1. Quite hard to listen for a miss at idle especially when its not a full missfire. Was pretty noticible under ANY sort of load.
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Old 12-13-2003, 16:39   #7 (permalink)
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Re: cold misfire

Quote:
Originally Posted by cArSiK
my car misses under load when cold occasioanlly - all my plugs , leads , cap and button are new so i dunno what it is.....dosent really bother me tho because i dont often put a cold engine under load...so if i take it easy in the mornings its fine...

James
My Eb used to miss the same as this when cold and I changed everthing. It turned out to be a blown headgasket on the 6th cyl.
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Old 12-13-2003, 17:59   #8 (permalink)
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Re: cold misfire

ohh well if it is a headgasket , its just an excuse for some engine mods!!

james
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