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Loose internal components may cause catalytic converter failure on Ford Crown Victoria

Problem Description and Possible Solution

Catalytic converter failure is common. Internal components become loose, causing a rattle or creating back pressure in the exhaust.

Problem Data
RepairPal Verified
Average mileage: 81,500 (75,000–88,000)
4 model years affected: 2003, 2004, 2005, 2008
6 people reported this problem
Viewing 1 - 3 of 3 comments
Loud rattle in left 2nd catalytic converter.
rattle right exhaust, replaced $900.00
After I changed my coil on my vic my converter began to tap and have a hard time gaining speed.