Catalytic converter clogged?
Did a search and didn't find info.
My exhaust note suddenly got quieter. Almost seems to wheeze a little. Also seems a tad down on power. Check engine light NOT on, no other warnings of any kind. 2.2 auto with 160,000 miles. I'm wondering if the cat is clogged or choked. |
It is very possible, especially if there is a possible coolant leak into the combustion chambers, antifreeze will clog up your catalytic converter
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IF the cat is clogged you would get a P0420 code(period). It's the law.
I would however look at the flex pipe, if the sound has changed. |
Cool, thanks. It's kind of what I thought. I was a bit surprised I didn't get the code warning. I'll have get a closer look.
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You can just replace the flex pipe or the complete pipe and cat assembly
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