how much it cost to replace p0174 BS1 Toyota sienna 2001

Question

fuel system too lean bank 2

Answer 1

There could be several reasons for this code.

A vacuum leak on bank 2 a bad O2 sensor, low fuel pressure or a bad mass air flow sensor. The most common cause on a single bank like this would be the O2 sensor, repair estimate would be ballpark $250-$300