Ford F150 Forumz banner

missfire problems

4K views 1 reply 2 participants last post by  Takeda 
#1 ·
Anyone know how to test spark plug coils, the garage told me four of them are bad.

I can replace them myself, I just need to know how to find which ones they are.
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top