Question

2004 Mazda Mazda6 V6 3.0L with engine codes P0171 and P0174. Evaporative emissions (EVAP) Purge solenoid. What is this part code? so, I can locate it. Also, Vacuum leak.

Answer 1

Hi there,

These codes are for a lean condition on both banks of the engine. Usually a result of either a vacuum leak, bad mass air flow sensor or low fuel pressure. Things that would affect both banks of the engine. The purge location is out near the air filter.

Answer 2

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

P0174 Mazda Code - Lean Air/Fuel Ratio Bank 2
Read more: https://www.autocodes.com/p0174_mazda.html