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Hi i got a problem when cruising at 90km/h sudenley engine light came on flashig followwd by epc. Pullwd out codes and got all driver side cylinders 5 6 7 8 missfire. For me it sounds like hydraulic lifters fail. Car shakes like crazy and all 4 sparkplugs on driver side are very black and not wet.

Car is catless and tuned too aprox 700hp.

Here is a link to The sound . What do you think is rhe problem? Thanx for help.

https://youtu.be/N3AtZf5Stdo

No one?