Thread: codes P0171, P0174 Lincoln LS V6"
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Old 01-23-2011, 02:25 PM   #146
danielsatur
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Re: codes P0171, P0174 Lincoln LS V6"
Once you remove the Intake, you can put a tourniquet on the pcv port of Intake, so unmetered air won't leak, causing lean codes.

There's no PCV oil breaking down the rubber going to the Intake, it's just Intake Air.
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