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Aloha,
My check engine light came on, so I tested it with a innova#3030 code reader. The code that it was throwing was P0171= System too lean (bank 1). What does this mean??? Any ideas??? help please!! Mahalo
 

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Code P0171 is the double post code.

or you need a new O2 sensor, or maybe the fuel pump is going out and getting weak?
 
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