The Check Engine Light may illuminate due to one or more engine vacuum leaks. Our technicians tell us these leaks can be caused by damage to seals and/or vacuum hoses as a result of to much ethanol content in the gasoline. Affected hoses and seals must be replaced to correct this concern.
Check Engine Light Due to Engine Vacuum Leaks on Mitsubishi Eclipse
Average mileage: 135,000 (106,000–150,000)
4 people reported this problem
2001 Mitsubishi Eclipse 149,000 mi, Visitor
Error code P0403