help, retune lose power

MAMotorsports

As of currently this is the only explanation that we have found that makes sense, the only two changes made to the car since it was last on our dyno was the addition of the AAM Y and mid pipe that we installed that day, and the switch from the K&N intakes to the Takeda intakes that you had done a few week prior. Weather was very similar between both. The car just gets very rich under load now. Of course this can be leaned out, but we would rather find the issue and gain back the power that way than trying to put a band-aid on it.

From everything we see, how the car is reacting, and the power numbers, there is a severe lack of airflow compared to the last time we had it in.

Either the intake itself isnt able to flow, or the filter is just getting no air (My guess) After looking over it, the '15 Nismo bumper puts nearly no air into that area.



A pull was done with the CEL on, and a pull was done with it all cleared and re-set, the difference was very minimal. The car is not running lean what so ever according to the AFRs on the dyno. The car is actually running very rich.

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Daelen @ MA Motorsports

MA-Motorsports.com

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