Delay between engine cranking and truck turning over

The issue was my fuel alcohol content impacting my long term fuel trims. I had watched a couple of youtube videos on this and suspected it might be the issue but didn’t have a scanner to reset them. I went to oriley’s and saw my LT fuel trims were out of whack and my fuel alcohol content was ~50%. Had a mechanic reset the fuel alcohol content and fuel trims and it starts up as it used to.

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