CATALYTIC CONVERTER

2004 Ford Crown Victoria

Tiny

mburbey

September, 11, 2008 AT 9:19 AM

Noises problem
2004 Ford Crown Victoria V8 Two Wheel Drive Automatic 70,000 miles

For the past 6 months, the converter has been very noisy. Tha Ford dealer will replace it as warranty only if the service engine light comes on and the catalytic converter is not passing emissions requirements. TO DATE, THE LATTER HAS NOT HAPPENED, AND ENGINE PERFORMANCE REMAINS GOOD. The rattling noise has increased with time and become very annoying. Is there a remedy short of replacing the coverter?

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1 Answer

Tiny

shawkins

March, 14, 2009 AT 9:34 AM

I had the same problem with my 2004 Crown Victoria Sport. At 75000 I took it to the dealer and they replaced 2 of the 4 catalytic converters. The honeycomb ceramic in the converter was loose and slowly destroying itself over time. The check engine light had not come on, but the car sounded like a diesel at idle. The only way to fix it is to replace the converters that are rattling.

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