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Codes P0171 And P0174
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04-22-2008, 06:57 PM
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danielsatur
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Re: Codes P0171 And P0174
Tbl codes P0171 / P0174 - System too lean on both banks
Root cause - Need upper+Lower gasket for EGR valve.
Last edited by danielsatur; 11-15-2009 at
02:17 PM
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