My trailblazer dies when at complete stop. Codes are p0442, p0300, p0102. on 2001 Chevrolet Blazer

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When starting I've got to press gas pedal to get it to start. When it's started and driving it accelerates on its own. And dies when I come to a complete stop.
(2) Answers
(4) Comments
This one is going to need a scanner to check live data for the mass airflow ciruits, evap operation and engine misfire. No way to guess at it! That would do any good that is.
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