number 3 and number 6 cylinder ,missfires
I assume you scanned for codes and got P0304 and P0306? Good time to change the spark plugs and replace those 2 coils.
how many miles on vehicle, your vehicle used champion platinum spark plugs, do not use autolite plugs, plugs shold be replaced every 100k miles, possible could be the coil pack.just behind the coil pack is the injector wire harness, make sure it is not sitting on the exhaust cross over pipe.
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