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[JamesV6CDX]

Finished rebuilding the top end of an Omega v6 today, and didn't have a 2-4-6 coil pack (I gave it away to someone in need over the winter). No problem, popped to Euro Car Parts, they had a "Starline" one in stock, £90 odd.

Got everything together and was pleased to see the engine started well after open heart surgery and was idling nicely / quietening down quickly etc with no warning lights. 10 minutes into idling as it started to warm up, the tone changed, it started hunting, and then "bop, bop bop" that unmissable sound of a misfire. Flashing EML, etc.

Plugged in the code reader - misfire cylinder 6.

Compression tested - good compression.

Looked at the (brand new) spark plug, wet with fuel, so clearly getting petrol.

So I swapped the coil packs between the banks...... cleared the codes and restarted.... and..... misfire moved to cylinder 5.

So the BRAND NEW coil pack is Duff.

Yes I know pattern parts can't be relied on to last very long, but I hoped it would at least get me to the MOT on Monday.

Sadly, the MOT is now postponed, and I have to wait until mid week for a Bosch item to arrive from Autovaux.

Faulty straight out of the packet - absolute Joke.

[Field Marshal Dr. Opti]

Make sure you get your £90 back.

[JamesV6CDX]

Ok I partially take it back. I found a little shiny spring on the ground next to the car. And it wasn’t in the coil pack 

[Marks DTM Calib]

Coil packs are one of those items that I have found are better to buy decent quality, the cheaper stuff either generates less energy and/or doesn't last as well