I have acode po303 misfire cylinder 3 greenflag cheaked lead injector took plug out it was very oily
Hi there,
There are several causes for a misfire. Here is a complete list for you.
P0303 FORD - Cylinder 3 Misfire Detected
Read more: https://www.autocodes.com/p0303_ford.html
33.7k questions
32.5k answers
1.3k comments
23.0k users