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Disconnect Neg- battery cable. Remove large plastic engine cover. Unplug the wire harness from the coil then unbolt the coil from the spark plug with a 10mm deep socket. Use a 16mm deep or spark-plug socket to unscrew each plug. Re assemble the same way backwards. Make sure each coil goes on the same spark new plug where it was. Do only one at a time. Replace engine cover. Re-connect battery. It may run rough for a few minutes while the ECU 're-learns', but no worries, this is normal.
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