CEL - P219A
Hello, I’m new on the forum and always appreciate having a venue like this to ask specific questions about a vehicle I own. I’m a DIYer and avid shade-tree mechanic, down in southern Missouri.
My question: We’ve got a ‘13 C-max hybrid with 120K. Well-maintained and has been in the family from the get-go. Twice recently, after highway driving, this same check engine light has appeared: P219A (incorrect air/fuel ratio in one engine bank). I’ve got a few theories, but I’d like to hear
The misfire saga continues... P219A code has not returned for many months and seems to have been solved. However, P0304 continues to pop up occasionally, despite repeated doses of the Lucas Upper Cylinder Lubricant. As a next step, since P0304 indicates a problem with cylinder 4, I pulled the fuel rail and replaced #4 injector (the one on the far right, when standing at the front of the vehicle, looking at the engine bay). Can anyone confirm that this is definitely the cylinder referenced in the