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Hey guys i have an r32 gts-4 skyline with the rb20det.

I'm having an on and off problem with the car losing significant power and the car gets a really rough (car shaking around) idle and is also rough (sounds like a wrx lol) throughout the revs. What could be the problem? I have had other opinions that suggest it is the coil packs and only running on 5 cylinders?

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https://www.sau.com.au/forums/topic/156841-engine-sick-please-help/
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Yeah I have something similar on my GTR. It runs well on boost but down low, and when its cold especially, it runs like a rex. sputtering etc. I had a 180SX about 8 years ago and the same thing happened on that. It ended up being the coil packs which continually failed (I replaced them about 5 times in 2 years!). It got so bad that the car would randomly run on 3 cylinders!

I have heard that if the engine has been steam cleaned then it can kill the coils (even with the coil pack cover on). A replacement coil (assuming there is only one dead) would be cheaper than an ignition modual though I guess.

Heat also affects them.

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