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Q:

diagnostic code P0171 on 1996 Toyota Tacoma

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
just wanted to know of any common problems related to code P0171
(2) Answers
Here is a ton of info about the P0171 Code: http://repairpal.com/OBD-II-Code-P0171-and-P0174
look for any vaccuum leaks. that and the pcv valve are the most common.
Roy