One problem related to tank assembly has been reported for the 2002 Mercury Grand Marquis. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Mercury Grand Marquis based on all problems reported for the 2002 Grand Marquis.
There is a concern about the safety of the gas tank and the similarity to the Ford crown victoria's with their rear end accidents, resulting in a vehicle fire.
| Fuel Pump problems | |
| Tank Assembly problems |