Replace the coils. Similar issue but I had replaced the spark plugs, then got a flashing check engine light with those codes while on the throttle. No issues before I replaced the plugs. I replaced the misfiring cylinder coil in question and the next cylinder had issues. Replaced all the coils with the cheap URO brand and no issues for a few thousand miles.
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1973 - Porsche 914 1.7 Stock - Sold (sad day)
2001-VW Beetle 1.8t Modified (200HP) - Lost my "man card"
2002 - X5 4.6is - Stock - Got my "man card" back
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