Logo

1990 Merc 200xri random miss troubleshoot?

cardoctor

New member
I am getting a random misfire, dropping 2 or more cylinders. Seems to happen mostly on first start up, cold. After running for 10-15 minutes, shutting off and restarting 2 or 3 times, miss disappears. Was told might be trigger coils. How might I narrow this down?
 
Back
Top