That can happen. Don't beat yourself up. When something like that happens we need to go back to the basics. Does it have spark? Does it have fuel? That will usually get you there.
Then comes compression and valve action at the correct time. Good you figured it out!
I chased around a engine running issue at idle for 2 years till I figured it was just the wrong heat range of spark plugs.
Then comes compression and valve action at the correct time. Good you figured it out!
I chased around a engine running issue at idle for 2 years till I figured it was just the wrong heat range of spark plugs.