Catalytic Convertors

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Old Oct 31, 2000 | 04:53 PM
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Default Catalytic Convertors

I'm new to the board. I've read alot about plugged catalytic convertors. How do you determine if they are plugged? Just by feeling exhaust pressure at tailpipe?
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Old Nov 1, 2000 | 06:19 AM
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Do you hear it/them rattle?, or a popping/back-fire when slowing down? be more clear to your problem
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Old Nov 1, 2000 | 06:23 AM
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Default Mine have a popping backfire sound when slowing down in gear

I can hear a small leak and beleived that the popping sounds was due to lack of backpressure as a result of the leak.
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Old Nov 1, 2000 | 07:23 AM
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Default Drill a pressure port if you don't want to drop them,

A port ahead and behind will tell you how much backpressure there is.
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Old Nov 1, 2000 | 09:02 AM
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Typical problem is rattle : the break-up of the internal ceramic catylist substrate.
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