P0301 error code

Question

2010 Chrysler Sebring 2.7L touring convertible.  Error code P0301. Changed all spark plugs but check engine light still comes on.  No loss of power, no hesitation, engine seems to run normal. What is next step?

Answer 1

Hi there

The next step would be to change the ignition coil on cylinder 1, or swap it with the one next to it and see if the misfire moves with it. Sometimes when the coils fail it takes specific circumstances for them to act up. If it's happening at higher speeds, you might not even notice it.