Hi All

My car has developed what I can only describe as a slight misfire. It's intermittent, just comes and goes as it pleases.

When it starts playing up, it drives fine until you put it under heavy load i.e hard acceleration or up hils etc.

It's only very slight and i doubt many people would notice it, there is a slight change in engine note, a very slight vibration and performance is very slightly decreased.

I've changed the plugs, just as a precaution but the ones that I took out were perfect and looked brand new and had perfect colouring on them.

It doesn't stall coming up to junctions or anything like that and it idles fine.

I've searched but nobody seems to have had the same problem. Any ideas?

prepare to change a coil

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Citroen ZX 16v

XU10J4RS turbo