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Check engine light

2K views 2 replies 3 participants last post by  04DetroitLS 
#1 ·
Hi there impala world. I just recently put a custom exhaust on my 06 impala SS. i was told that the check engine light would come on due to the fact that the sensor or not reading correctly. I was also told that i needed to get a O 2 emulator to override this probelm does anyone know where i could purchase this item and intallation instructions. Thanks
 
#3 ·
02 sims do not work proerly on 04+ cars, that being said, if you know someone w/ diablo or PowerTuner, they should be able to turn the CEL off for the code that its throwing (perm.), I'm assuming you ditched the cat or went w/ a hi flow cat and the code is for the rear O2
 
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