P0302 Cadillac -

Question

shows #2 cyl misfire. swapped coil 2 and 4. checked plugs less than 6,000 miles on them only misses while at idol in gear.

Answer 1

P0302 Misfire number 2 cylinder

The fuel injector can cause the misfire also which should also be check. A mechanical condition can also cause this misifire such as cylinder valve ,low compression, and compression check should also be performed