indicate misfire in Cylinders #1, #3, and #5 respectively. on 1998 Cadillac Catera

P0300 indicates random misfire. P0301, P0303, and P0305
indicate misfire in Cylinders #1, #3, and #5 respectively.
how can we find out if the ignition coil is bad and how can we check them can any one help me please thanks

Asked by for the 1998 Cadillac Catera
1 answer
Have you replaced the spark plug wires yet? this is a common indication that your wires are breaking down and the ignition spark is arcing to the valve cover or engine.