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Discussion Starter · #1 ·
I have just bought a 2000 plate 1600 laguna sport 16valve.
She is running very lumpy, on tickover the engine shakes, she revs up relatively well but on the move it's like she is on three cylinders.

Plugs, 4 coils replaced by previous owner to no avail, I have compression tested all cylinders and they are equally around 225 psi.

When you unplug each coil there is a noticable difference in engine tone/revs.

I suspect it's the hydraulic lifters?

Any comments would be much appreciated.
 
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