2004 Mazda Premacy with engine code P0171, what is the probable solution to this code?

Question

hello
2004 Mazda Premacy with engine code P0171, what is the probable solution to this code?
thanks

Answer 1

Hi there,

This code can happen for several reasons so all must be checked and eliminated. A bad mass air flow sensor, low fuel pressure, leaking intake manifold gasket, and a faulty front O2 sensor can all be reasons for this code.

Answer 2

P0171 Mazda Code - Lean Air/Fuel Ratio Bank 1
Read more: https://www.autocodes.com/p0171_mazda.html