check engine light on 1999 Oldsmobile Alero

we have a 99 Alero v6 and the check engine light come on with P0171 what is the most coo mun problem in these matter

by in Worcester, MA on May 02, 2011
1 answer
ANSWER by , May 02, 2011
System too lean bank 1. Have diagnosed for proper repair. Is all a guess till diagnostics is done.