2009 Mercury Mariner check engine light reports
17 NHTSA complaints describe persistent or recurring check-engine warnings on the 2009 Mercury Mariner — roughly 5% of all complaints for this model year.
17
Check engine light reports
5%
share of complaints
93,806 mi
median mileage in check engine light reports (14 with odometer)
Components reported on this vehicle
Check engine light in other Mariner years
| 2011 Mariner | 7 |
| 2010 Mariner | 15 |
| 2008 Mariner | 5 |
Other symptoms owners describe on the 2009 Mercury Mariner
Symptom counts come from keyword analysis of complaint narratives. One complaint can describe several symptoms, and classification is approximate — read the underlying reports on the full 2009 Mercury Mariner report before drawing conclusions.