Check Engine Light Due to PCV Grommet Vacuum Leaks on Lincoln Aviator
Problem overview
A vacuum leak from the PCV grommet vacuum leak can cause the Check Engine Light to illuminate. The molded rubber hose connections may crack and collapse, causing the vehicle to run roughly. A damaged PCV hose will require replacement.
44 people reported this problem
22 commentsLincoln Aviator vehicles with this problem
Average mileage: 104,036 miles
(23,000 - 193,000)
Search for another problem
RepairPal ™Car Genius
Ask our experts about your Lincoln.
RepairPal Car Genius™ is a free resource for vehicle owners seeking advice on maintenance, auto repair, shop inquiries, estimates, and finding a trustworthy repair shop in your area.
Call us at 877-913-1554
Available 9am – 6pm ET Monday through Friday
