code problems

[frenchy92005]

my msp is throwing a code p0171 which says my system is too lean in bank 1. what does this mean how can i fix it, any help?

 

[lyndonvang]

I had that same code. Check out my thread on pg.3 Follow your wastegate line until it gets to the T. Detatch the line and blow into it if you can blow through it than its your wastegate acutor. Do you have a boost gauge? Make sure your not boosting over stock levels, which is 5-7 psi.