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I confirmed that a large portion of the exhaust smoke I'm seeing is in fact fuel. I think my AFR may be calibrated in-correctly as it reads 11.0 AFR at 2k (in neutral) and it's pouring out grayish smoke like a chimney. At 1.5k it goes away, and the AFR says it's around 12, but comes back (not as prominent) around my 1k idle.
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