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| Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain. |
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#1 |
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Member
Join Date: Mar 2014
Drives: Fr-s
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Have CEL after installed K&N air intake
I have CEL after installed K&N air intake. Codes are P1170 P117B U0073 and P0171.
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#2 |
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Senior Member
Join Date: Oct 2012
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Thanks for letting us know.......
Seriously though, have you tried putting the stock intake back on? Did you reset the ECU? I don't have my laptop handy, but I'm guessing they are air flow out of range or lean codes.
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#3 |
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Senior Member
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Not sure why this should happen. I put one in my car no issues.
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#4 |
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A Very Powerful Wizard
Join Date: Mar 2014
Drives: 2014 BRZ LTD WRB (RIP), 2017 FiST
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P1170 is your pre-cat O2 sensor freaking out.
P117B means you're running pig rich. U0073 means your CANBUS diagnostic scanner got disconnected or miscommunicated with some other shit at some point. Finally, P0171 means you're running too lean. So you've got a pissed off O2 sensor and are also running too rich and too lean at the same time, according to your car's diagnostics, which seem to also be having issues. I'm not familiar with the K&N intake but it sounds like you goofed during the install. |
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#5 |
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Senior Member
Join Date: Mar 2013
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Should've just gone with a panel filter..
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#6 |
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Join Date: Oct 2013
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either you broke the sensor during the install or maybe didn't install all the way. Try reconnecting it.
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#7 |
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Thanks. I will reconnecting it.
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#8 | |
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SCBYD0
Join Date: Jun 2013
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Quote:
http://www.knfilters.com/search/prod...prod=69-8619TS |
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| The Following User Says Thank You to JonAvalon For This Useful Post: | StarshipPoopers (03-23-2014) |
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