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2000 Infiniti QX4 Question: What does PO151 code mean

 

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boater91, Amityville, NY, September 29, 2012, 09:17
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I have replaced 2 cats 3 O2 sensors

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  • Answer #1

    October 02, 2012, 14:53
     Technician

    check for and exhaust leak or intake leak, also change spark plugs does the car run badly.

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