2005 Mercury Marquis Repair Question
Topics covered: Catalytic converter, Engine, Sensor.
Mileage: 40,000 miles.
Mileage: 40,000 miles.
Asked on November 8, 2012
Mercury Marquis Catalytic converter Problem
Changed the catalytic converter. used old sensors and now engine light is on
Asked by (pending member)Answer
Replied on November 8, 2012
scan for codes to see wher ethe problem is . it could also be an air leak prior to converter.
