Thread: P0171 and P0174, base engine
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Old Feb 24, 2020 | 03:40 PM
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ala_xfire
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Joined: Dec 2010
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From: Lineville, AL
Default Re: P0171 and P0174, base engine
Long term fuel adjustment -9 bank 1 and -12 bank 2
Why would the ECM be pulling fuel when the code is P0171 ( too lean ) ?
 
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