I came back off a work trip yesterday and heard a pop noise. I noticed a slight black smoke when I was taking off at the next light. I don't see anything loose or missing. No fluids leaking. I did have 4 kids and the wife in the truck when I heard the noise so that might not be relevant to the problem. When I got off work today truck was doing same thing then I lost some power. Noticed that I had no boost. I let off accelerator for a few seconds and the boost was back. Needing some input on what to look at first. And some knowledge from someone who has dealt with similar issues. Thanks in advance for everyone's help.