197: any advice will help!

Was getting the engine management light appearing on the clio for a while got it booked into my mates garage for a free diagnostic and i was a miss-fire on coil pack 1 and 3. I then replaced all 4 with a set i got from ebay with lifetime warranty. This seemed too solve the problem all was good, the only thing i noticed was apon switching on the car the engine management light would stay on 1-3 seconds longer then the rest before dissappearing. But now its started appearing when driving. Could the spark plugs be causing this too happen? Or is it more goosed coil packs?

thanks :jase2: