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My 32 has developed a weird missfire latley and i'm buggered if i know what is causing it. The car drives normally for about 20 minutes, then a slight miss appears under boost and it get worse and worse until the car is almost undrivable, even idle is awful.

The strange thing is if you leave it for a while, then drive it again, it drives normally for 20 minutes and then the miss comes back just as it did before.

Now if it was a coil pack or a plug you would think the miss would be there all the time but it only shows up after driving for a while, starts small and get worse and worse.

I'm going to pull the plugs out and check em and the coil packs aswell this weekend but if anyone had any other ideas i'd appreciate it.

Cheers

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https://www.sau.com.au/forums/topic/107868-strange-missfire-issue/
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i doubt whether its your coils. You mite wanna get a compression test and a leak down test to make your its not your cylinders. I had a similar problem with missing and what not and i am in the process of a full engine rebuild at the moment. Not saying im right....might be worth a check tho to save yourself chasing your tail.

Regards

Hey hey,

Had a similar prob, but was only misfiring and losing power at high rev's and high boost.

But yes, it was the coil packs that were causing the problem. I ended getting a set of Splitfires that fixed the problem. Also tried perrmatex hi-temp gasket silicone to seal the coils, that worked except when running max boost(you just feel the misfire)

Any anywho have a read here.

Hope it helps,

Brad

Sounds like mine... :huh: will be watching this thread. Should keep each other up to date if either fixes the problem :P

Mine after 10-15 mins is shuddering a bit and sounds like the timing is waaaay out... Sound familier?

Oh and I've just serviced my coil packs and the're all in ecell nic.. Have'nt tested them though.

http://www.skylinesaustralia.com/forums/in...howtopic=107286

Edited by Drift_Limo

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