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Old 05-17-2020, 04:50 PM   #11 (permalink)
rmay635703
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Quote:
Originally Posted by California98Civic View Post
That is the kind of thing I cannot find clear answers for online. I see contradictory things... some say lean burn makes the catalyst cooler.
It runs out of fuel and saturates the catalyst over time (years) it can become brittle and fail

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