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Discussion Starter · #1 ·
Hi guys,
I’m looking for some help/advise with my 2019 2.0. I did a CTR swap with CTR downpipe and hondata tune which came with the flash pro. I have a Check Engine Light with code P0133 which is for the o2 sensor slow to response bank 1 sensor 1. I have checked over all the intake and exhaust for any kind of leaks. Reset the light and it keeps coming back after 13-14 days of driving. Finally I replaced the o2 sensor with oem and it seems to be still coming back.
has anyone experienced this? Any info will help.
Thanks.
 

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Discussion Starter · #5 ·
Ya I did. They told me to follow Honda service manual for diagnosis. Very disappointed with their response. It’s obviously the tune as a sensor can’t work for 14 days and then act up. Kinda tempted to change my car but I really like the car.
 

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Ya I did. They told me to follow Honda service manual for diagnosis. Very disappointed with their response. It’s obviously the tune as a sensor can’t work for 14 days and then act up. Kinda tempted to change my car but I really like the car.
Well damn. As you stated above a pro tune will probably be your best bet in resolving this issue. With the mods you've done (CTR Turbo/Downpipe) no telling what is not speaking/acting right. Good luck on getting it sorted and let us know how it was resolved.
 

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You need to disable some parameters in the Hondata app. Look into the sensors or closed loop tabs. Disable secondary o2 sensor and some other PXXXX error code setting, uncheck both of those.

Also does Hondata have a off the shelf tune for CTR turbo swaps on Accords? Because having to relocate the primary o2 sensor from the turbo (stock location) to the downpipe should not be overlooked. You cant just casually drop the CTR turbo in there and run any tune.
 

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Lunar Silver 2019 Honda Accord Sport 2.0T 10AT
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KTuner and custom tune.
 
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