I had a similar intermittent misfire issue with my SPI. Sometimes it would pop a code, sometimes it would not. I cleaned the MAF and cleared up the problem.
It is definitely not the valve seat prob. but thanks for the uneducated insults caleb.
Defending the reputation of the red-headed step-child of the focus world for far too long.
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.