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

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

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Average mileage: 88,000 (88,000–88,000)
2 model years affected: 2003, 2005
3 people reported this problem
2 people shared problem details
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.
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