peterjiang4648
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Everything posted by peterjiang4648
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Thank you so much, I will read it carefully.
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2009 RX350 trouble code P0171&P0174 I used another vehicle's mass air flow sensor to replace my car's mass air flow sensor. And through the similar method I replace the B1S1&B2S1. but the long FT was still high. I have no idea about the problem. I attach the "trouble code.jpg"、“700 rpm mass air flow.JPG”、“700 rpm short FT & long FT.JPG”、“1800 rpm mass air flow.JPG”、“1800 rpm short FT & long FT.JPG”.
