What is a code P0171?

1999 TOYOTA TACOMA
409,288 MILES • 2.4L • 4 CYL • 2WD • AUTOMATIC
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BLAKE DOBBS
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  • 1 POST
P0171? System too lean? How to fix?
Sep 30, 2020 at 2:14 PM
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DANNY L
  • ✓ASE Certified Mechanic
  • 5,648 POSTS
  • ASE Certified Mechanic
Hello, I'm Danny.

Here is the information you requested for the code P0171. I've attached below the specific diagnostic steps for your truck below. Keep us updated and let us know what you find. Hope this helps and thanks for using 2CarPros.
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Sep 30, 2020 at 2:48 PM
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