Problem Description and Possible Solution
A Loose or worn gas cap may cause Check Engine Light to illuminate.
Average mileage: 74,564 (30,000–100,000)
14 people reported this problem
Check engine light comes on/off intermittently. Have installed 3 new gas caps, which helps for a week or so. It seems to stay off when the tank is full, but comes back on at 3/4 of a tank. Using high grade fuel. No resolution found.