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P0171 Nissan -

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2005 sentra engine light comes on and goes off code p0171 detected the vehicle is not misfiring what is the cause

Vehicle: 2005 nissan sentra 1.8 liter engine

1 Answer

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is your RPM fluctuating?

check for intake leaks first, if there are no intake leaks, disconnect the battery for an hour to reset the computer, connect it back and do an idle air relearn

http://nissanhelp.com/diy/sentra/projects/nissan_sentra_idle_air_volume_learning.php

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