I've got a 2001 Ford f150, 5.4L V8. I seem to have an intermittent problem getting the engine started. For a month or so it seems to take a little longer to start. Today, when I tried to start it, it would sometimes turn the engine over but it would sputter and there'd be no power. It would only "run" like that for a few seconds before dying. I was able to get it home tonight eventually and once it was in the driveway it started twice in a row with seeming no problem.
I got a code scanner for Christmas that works with an app on my phone. It's got a feature that shows me "pending faults." I guess that's a spot where the computer has seen "trouble spots" but nothing to throw a code over. I don't know. But it says I have a "pending fault" of P0171 (System too lean).
Help me car guys! I only know enough to be annoying!
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