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Slight stumble on idle

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Old Nov 3, 2020 | 07:24 PM
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Phantom410
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Default Slight stumble on idle
Hello, I've got a bit of stumble on idle, warm or cold on my 99 RX. Cleaned IAC not long ago, only codes thrown are for evap and p0420 (cat converter) (both rarely come on) Any ideas what causes this or what to check?

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