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How to fix codes po171 and po522 - Cars & Trucks

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cansmo
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SOURCE: codes po171 and po522 on my dash board

P0171 Fuel system lean bank 1, P0522 Engine oil pressure/switch circuit low voltage. Take care of the P0522 get the oil pressure check out first. As for P0171 that can be from a vacuum hose leak from false air.Worn out sparkplugs. To a contaminated MAF(mass air flow sensor).Lean bank is a easy fix but low oil pressure get that look at.

Posted on Feb 25, 2012

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http://www.moddedmustangs.com/forums/v6-mustangs/39429-trouble-code-po171.html



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Codes po171 and po522 on my dash board


P0171 Fuel system lean bank 1, P0522 Engine oil pressure/switch circuit low voltage. Take care of the P0522 get the oil pressure check out first. As for P0171 that can be from a vacuum hose leak from false air.Worn out sparkplugs. To a contaminated MAF(mass air flow sensor).Lean bank is a easy fix but low oil pressure get that look at.

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