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Land Rover Discovery 4.6 2003 codes p0130 p0171 I believe
Land Rover Discovery 4.6 2003 codes p0130 p0171I believe this is for bank one sensor one. Which is drivers side before the cat???? Also do think changing the O2 sensor will correct the lean condition?… read more
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hi there, i hav a problem with a 2004 toyota 4runer 4.7lt
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2003 Ford Explorer: p0171..(system too lean bank 1)..p0174..o2 sensors
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These following fault codes came up recently: PO505 Idle Control system malfunction PO135 O2 Sensor Heater Circuit Malfunction (bank 1 sensor 1) PO171 System too lean (bank 1) The PO171 fault code app… read more
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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