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taybo

Cylinder 4 misfire! 2006 rev-up

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Got a P0304 code on a journey the other weekend and car was running rough. Changed the spark plug and coil pack and the same code keeps coming back. Plug was oily when I removed it. Thinking it's something serious now. Any help appreciated.

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I had multiple failures on a cylinder and swapping coils didn't work until I put a good new coil in with lots of dielectric grease. Ran it very hard since with no probs. Might not be your solution but its a cheap try... Good luck

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A common fault on the engines is the rocker cover grommets failing and letting oil past into the spark plug tunnel. Take the coil pack out and shine a torch down to see if any oil has collected.

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I swapped the spark plug and coil pack for new items but no different. I think I'm going to book it into the local Nissan dealership for a full diagnostic :-(

 

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Don't want to scare you, might not be the issue at all but this page talks about the fix for the leaky grommets. Might be worth a little read through

Good luck!

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