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#5: 11-15-2012, 03:14 PM
FJuan's Avatar
Title: Ayyyyyyyy
Rank: Donating Member
Location: Fresno, the armpit of CA
Car: 2017 Mazda 6
Posts: 32,861
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Originally Posted by DarkiSt View Post

What do you guys think is the problem here, given the symptoms shown in the video? The last part of the video is showing that the car isnt revving past ~2000rpm even though I'm almost flooring the gas.

This sounds like the O2 sensor is dead. You can test the sensor on the car with an OHMs test, search YouTube for testing the O2 sensors. I've done it before and it's fairly easy to do.

Also, did you reset the ECU when taking out the K&N?
Originally Posted by gkinslow View Post
Come for the Derpy leave with the herpe!