Coolant Pump on Hybrid May Fail and Cause CEL/Engine Shutdown on Mercury Mariner
Problem overview
The hybrid models have a coolant pump that cools control electronics. The pump can fail or spin slowly, which causes a Check Engine Light to illuminate and complete engine shut down.
56 people reported this problem
28 commentsMercury Mariner vehicles with this problem
Average mileage: 97,532 miles
(36,700 - 185,000)
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