Hi Scotty I have a 2000 Lexus es300 with 91k miles. I keep getting a too lean code PO171 bank 1. I cleaned the MAP sensor per your video. Cleared code but still came back. Could it be the fuel
filter? I couldn't find any vacuum leaks. Just trying out all the obvious solutions. Thanks.

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ScottyKilmer
ScottyKilmer

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on those, almost always vacuun leaks. try this video

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