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Old 02-12-2021, 06:59 AM
rwilson rwilson is offline
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Join Date: Feb 2010
Location: Northeast, USA
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I was receiving p0171 & p0174 on 2006 3.0i,

I would attempt to use MAF sensor cleaning spray 1st and if that does not work replace the maf sensor to clear p0171 error

the spray worked for a few hundred miles but I did end up replacing sensor

spray about $8, maf sensor between $20 & $300(oem)
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