The check coolant warning light may illuminate if the incorrect engine coolant mix or type is used. The coolant/water mixture should be kept at the 50/50 ratio for proper warning light operation. Additionally, if the incorrect type of coolant is used, cylinder head and cooling system damage may result.
Average mileage: 60,000 (60,000–60,000)
Engine affected: 4.4L V8
5 people reported this problem