2009 Mercury Mariner fuel/propulsion system problems
15 owner complaints filed with NHTSA name the fuel/propulsion system on the 2009 Mercury Mariner — 5% of all complaints for this model year.
What owners report
“Charcoal canister and purge valve defective stuck at open. Check engine light, dropped fuel economy. Forced vehicle to shut off engine and no power, stop on freeway at full speed.”
filed Dec 6, 2023
“On october 18, 2018 I received the power steering assist failure error on my instrument panel when turning on my vehicle. I had driven it earlier in the day without issue. Previously I had the occasional warning noise and quick flash of an error (too quick for me to read all the way) and would have…”
filed Jan 5, 2019
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% |
| 2010 Mariner | 57 | 21% |
| 2008 Mariner | 8 | 2% |
| 2006 Mariner | 4 | 6% |
| 2005 Mariner | 3 | 4% |
Other reported problem areas on the 2009 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.