Toyota Camry 2002 misfiring

Maintenance/Repairs
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7

If one coil went bad, the other 3 likely aren’t far behind. Some of the coils sold on the internet are junk and some are good. No way to really tell. Go to a NAPA or other good parts store and get their prices. Get 3 new coils from wherever and put them in. On a 4 cylinder it should be a straightforward easy job. Since the plugs have been misfiring, I’d put new ones in with the new coils. Use the plugs recommended in the owners manual, Denso or NKG of the correct number.