2010 Mercury Mariner fuel/propulsion system problems
57 owner complaints filed with NHTSA name the fuel/propulsion system on the 2010 Mercury Mariner — 21% of all complaints for this model year.
What owners report
“Engine light came on after putting fuel in my car it is hapless the codes read emission and fuel issues to replace cap but it is hapless it says it's an issue that needs to be fixed now my engine light won't go off”
filed May 11, 2025
“My vehicle keeps throwing codes for the EVAP system. I have noticed many of these vehicles have to have their Purge Valve Cannister replaced along with the selenoid for it. I have to replace mine. Is that not a defect if the vehicle? I have owned several vehicles and never had this issue with any…”
filed Sep 9, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Fuel/propulsion System problems in other Mariner years
| Year | Reports | Share |
|---|---|---|
| 2011 Mariner | 22 | 25% |
| 2009 Mariner | 15 | 5% |
| 2008 Mariner | 8 | 2% |
| 2006 Mariner | 4 | 6% |
| 2005 Mariner | 3 | 4% |
Other reported problem areas on the 2010 Mercury Mariner
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.