Pro-8250 Well-known member Lifetime Membership Dec 6, 2011 #1 When my daughter starts her Mercury in the morning the idle will go up and down constantly for quite a long time until it warms up. Then it runs fine after that. The colder out the worse it is. Anyone have any ideas?
When my daughter starts her Mercury in the morning the idle will go up and down constantly for quite a long time until it warms up. Then it runs fine after that. The colder out the worse it is. Anyone have any ideas?
