what can cause the P0171 on Nissan Maxima 2000 Engine light on

Question

My Nissan Maximas has the engine light and in the smog check tells me the code P0171system to leanbank1

Answer 1

There are many things that could trigger the P0171 code, probably the most common is the Mass Air Flow (MAF) sensor and Air Fuel ( A/F ) Ratio Sensor.

P0171 Nissan - Fuel Injection System Too Lean Bank 1

 

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