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RX - 2nd Gen (2004-2009) Discussion topics related to the 2004 -2009 RX330, RX350 and RX400H models

codes PO172 & PO175

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Old 08-22-19, 09:30 PM
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edpaosr
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Default codes PO172 & PO175
My 2008 rx350 runs OK but mileage not good. Checks displays codes PO172 & PO175. Need help
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Old 08-24-19, 01:32 PM
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cdnewton
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First thing to check is the Mass Air Flow (MAF) Sensor.
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Old 08-24-19, 08:50 PM
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DennisMik
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Read this thread, same codes as you.

https://www.clublexus.com/forums/is-...agnoising.html
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