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Code P0171

Tiny
ST8WC80
  • MEMBER
  • 2002 TOYOTA COROLLA
  • 218,228 MILES
Engine light came on. Had it checked and came out with P0171. What does this mean? My car has also had problems when taking of at a stop. Slow to take of when at a stop. Seems to have less power at ones as well.
Saturday, May 19th, 2012 AT 12:44 AM

1 Reply

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

This code means the engine is running lean. Unmetered air is being introduced into the engine by a leak causing this condition. I've attached picture diagnostic steps below for this code. Hope this helps and thanks for using 2CarPros.
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Wednesday, December 23rd, 2020 AT 12:43 PM

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