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I have a 2001 Chevy Astro van w/a 4.3L. I can smell that rotten egg smell after driving and I know that means one of my cats are bad.

I have a 2001 Chevy Astro van w/a 4.3L. I can smell that rotten egg smell after driving and I know that means one of my cats are bad. Would i be a ble to drill a hole in order to clean it out and save myself some money for the time being or is that not a good idea?

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That is never a good idea. Your O2 sensors will pick it up anyway causing the check engine light to come on. And as long as that is on, you can’t pass inspection. Plus, it’s illegal.

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Matthew Vaughn
O’Reilly Auto Parts

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