Idling Questions
#3
Moderator
iTrader: (3)
Join Date: Mar 2001
Location: https://www2.mazda.com/en/100th/
Posts: 30,778
Received 2,563 Likes
on
1,823 Posts
#5
AperatureScienceEmployee
Join Date: May 2008
Location: Gilbert, Arizona
Posts: 41
Likes: 0
Received 0 Likes
on
0 Posts
You can use carb cleaner while the car is idling to spray on the vacuum fittings to see if engine speed increases. If it does then you found at least one potential vacuum leak.