☰
Login
Join
×
Home
Answered Questions
Repair Topics
Repair & Service Guides
Popular Questions
Warning Lights
Trouble Codes
How It Works
Testing / Diagnostics
Symptoms
Videos
Login
Become a Member
Home
Mercury
Marquis
Exhaust
Catalytic Converter
Replace/Remove
2005 MERCURY MARQUIS
40,000 MILES
ANONYMOUS
MEMBER
1 POST
FOLLOW
Changed the catalytic converter. used old sensors and now engine light is on
Nov 8, 2012 at 2:11 PM
Advertisement
HMAC300
CERTIFIED EXPERT
48,601 POSTS
scan for codes to see wher ethe problem is . it could also be an air leak prior to converter.
Nov 8, 2012 at 2:14 PM