Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

2004 Mercury Monterey check engine light reports

8 NHTSA complaints describe persistent or recurring check-engine warnings on the 2004 Mercury Monterey — roughly 3% of all complaints for this model year.

8
Check engine light reports
3%
share of complaints
78,000 mi
median reported incident mileage (all complaints)

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 2004 Mercury Monterey report before drawing conclusions.