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

by in Edgewood, MD on June 20, 2011
1 answer
ANSWER by , June 07, 2012
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.