Thread: P0171 Code
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Old 09-19-2009, 06:50 AM
STL STL is offline
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Join Date: May 2009
Posts: 23,399
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p0171 is a lean on bank one, most often caused by a vacuum leak somewhere. Go check all your hoses for crack/dry rot or leaks/holes. and also clean your MAF (mass air flow sensor)located on the air box

Reset your CEL by unplugging the battery just turn the headlight switch on for 10 seconds and that will clear it
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Last edited by STL; 09-19-2009 at 06:57 AM.
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