Check Engine Light With Code P0442, P0456, and/or P1450 on Mercury Mariner Hybrid

The Check Engine Light may illuminate with code P0442, P0456, and/or P1450. These codes are related to the EVAP system. Our technicians tell us that if no EVAP system faults are confirmed, updated software is available for the powertrain control module (PCM) which should correct this concern.

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Average mileage: (–)
1 model year affected: 2009
2 people reported this problem
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