What would cause misfire on 2,4,6 coil packs
disconect battery for 15 mins and try again
Look for "stuff" ozzing out below the coil pack, there is a circuit board that is potted to protect it from moisture, when it fails and then gets hot, the potting material starts to leak out and that is a clue the circuit board is bad.
Did you happen to figure out what the problem was? My 2010 enclave is doing the exact same thing plus it died on me yesterday on my way to take it to the shop to get the coils changed and now it wont start back up. We cant figure out what it is.
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