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Old 07-20-2020, 09:05 PM   #1
Cameron The Camaro
 
Drives: 2015 Camaro 2SS
Join Date: Feb 2020
Location: Phila., PA
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P015B and P015D codes AFTER dyno tune

I have a Camaro 2015 2SS (L99) - installed Dynatech Supermaxx 1 7/8 headers, "off-road" cat deletes, Borla X-pipe and Borla Atak catback system last week. Got the car dyno tuned afterwise, and didn't have much time to speak with my tuner afterwards. He told me he cleared codes and disabled AFM/dod, and I had no CEL after he was done.

2 days after tune, I get a CEL and my code reader is saying P015B (02 Sensor Delayed Response - Lean to rich Bank 1 Sensor 1) and P015D (02 Sensor Delayed Response - Lean to rich bank 2 sensor 1).

Question being - being not too fond of the tuning aspect of cars, should I be concerned at all? I obviously will have my tuner re-evaluate, but I wanted to run it by the forum to make sure this code is normal despite being tuned already.

Thanks in advance for any/all input!
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Old 07-20-2020, 09:08 PM   #2
Cameron The Camaro
 
Drives: 2015 Camaro 2SS
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Old 07-25-2020, 08:55 AM   #3
Alfdawg
 
Drives: 2014 camaro ss
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I'm no where near an expert. I can only tell you from my experience and what I have learned. I got my headers installed Thursday and I dont have a tune yet and I have them exact codes. From what I've read your tuner should've deleted the rear 02 sensors with your tune. You get them codes because the rear 02 sensor is further back.
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Old 07-25-2020, 11:08 AM   #4
RobZL1
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Your tuner probably just inadvertently missed those. P015x codes are usually set to "no error reported" with headers due to the O2 sensors being further downstream.
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