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engine management light on fuel trim bank 1 error. have a tdi plug n play chip installed k and n air filter installed and ecotek valve on crankcase breather would any of these cause that fault.
Vehicle: 2015 nissan juke nismo rs

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This code can be the result of a faulty front O2 sensor, a vacuum leak, it's possible that K&N filter is causing to much air flow so the system is lean.

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