IS F (2008-2014) Discussion topics related to the IS F model

HELP!! CEL & VSC & TRACTION Light!!

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Old 06-13-15, 09:20 PM
  #16  
usa5655
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Originally Posted by KLexus50
A quick search of the forums says that's pointing to bank 1 sensor 1 (same sensor that was my problem). I'd take a look at the wire extensions on the drivers side header O2 and see if anything is loose or melting, first.
Thanks for the info. By the way i did replace the o2 sensor for (p2238) and we cleared the cel code, after 20miles of driving, it came back up!!!

Also all this happened after disconnecting the battery...
Old 06-13-15, 09:33 PM
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hamooduae
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i had the same problem
after my exhaust installed
replaced the o2 sensors
some say just replace the 4 of them and no headache
Old 06-14-15, 12:48 AM
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usa5655
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i dont think its the o2 sensors..maybe because i have ppe headers/Simulator that cant read or not working since i disconnected the battery??

if that is the case, how do i reset the Simulator ? un-plug it? and re-install?

i really dont know what to do now..
Old 06-14-15, 05:47 PM
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Sceanzo
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You shouldn't need a simulator for primary sensors. They are Air/fuel sensors. Sensor "2" is designed to monitor catalyst efficiency, that is where you would need a simulator. If you have a simulator in sensor 1 there is a problem.
Old 09-28-15, 10:16 AM
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Twotwo
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Default Cel

Originally Posted by usa5655
hey CL! quick questions!

So i had my battery disconnected for over 20mins, and when i started the engine, it was perfectly running fine. but after few miles, CEL & VSC & Traction Lights came on!! does any one experience this? please let me know guys!

my mods are

PPE headers (cat less) had it for few months With no CEL at all
Joe-Z Cat back Exhaust
I tried the same thing and the same thing happened to me ughhhhhhh
Old 09-29-15, 03:56 PM
  #21  
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Default Nope

Originally Posted by yjk1975
Maybe

1. Battery is no good.

2. The O2 sensor extension is touching at the top.
Nope both of mines are good
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