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2005 Ford Five Hundred Question: codes problem shooting

 

Question

Visitor, Ogden, UT, April 28, 2010, 13:31

i got codes for p0109 p0191 p0171 they all point to something with the air intake what would be the first thing to check?

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  • Answer #1

    Visitor, April 28, 2010, 14:51

    check air filter first then mass air flow sensor

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  • Answer #2

    April 28, 2010, 15:55
     Master

    For more information about this OBD II Codes please visit these links; http://repairpal.com/obd-ii-code-p0109 and http://repairpal.com/OBD-II-Code-P0171-and-P0174

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  • Medium-star Best Answer
    April 28, 2010, 18:16
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     Master

    the large hose from the air filter to the intake has a couple of small hoses that come out from it. make sure they are all secure and tight. the 171 is a vaccum leak code for trims.
    Roy

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  • Answer #4

    Visitor, October 29, 2010, 18:00

    i got code po193

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  • Answer #5

    Visitor, August 13, 2011, 18:59

    were is the air intake at

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