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Taropatch

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    PNW
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    05 OBXT 5MT

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  1. I swapped the front O2 sensor out and just like that the problem is fixed. Did some logging to be sure that was the only problem. Everything looks good while cruising and no more leaning out when doing a third gear pull. Interesting that it didn't throw a code with that front sensor malfunctioning.
  2. Ok, thanks for taking the time to look at it. I'll try swap out the front O2 sensor tomorrow when i get home from work.
  3. ok here is the log with the added parameter: https://docs.google.com/spreadsheets/d/1v04XsFcmQAaZydyUx8unsPTz7O9CiSkVR4rYri4oj4I/edit?usp=sharing I'm not sure how that relates to to the measured AFR. Is the CL target fueling the requested fuel like the final fueling base? or is it final estimated AFR after corrections in relation to the current measured AFR? Thanks
  4. awefulwaffle: It didn't feel a like there was any loss of power while doing the pull. fuel pressure is great at idle and is set to factory specs so should be adequate for stock tune. I have attached the stock boost table I pulled from RR and will go log a cruising run with the added parameter of CL fueling target. Thanks
  5. Hey all I have been having an issue with my OBXT surging when cruising. It happens in all gears. Usually around 3k rpm its most noticeable and only if I am holding the throttle in one spot. The engine is stock except DW65c pump and Tomei FPR (added after the issues began, thinking it was fuel related) Competition clutch "stock" replacement with SMFW. LGT suspension geometry conversion and full refresh of bushings and coils front to back. Today I did some logging and during a cruise the AFR is fluctuating from 11-18 without any change in throttle input. In a 3rd gear pull its leaning out to 20.33 and now it's parked until I can figure it out. I was thinking maybe a post MAF leak but couldn't find any yet. Anybody have issues with this before? I have been unable to find a thread addressing this. here are the logs: Cruising: https://docs.google.com/spreadsheets/d/1vZstxaAro40Ks2ZI1yxb_RbfNPZj7JDDdKR2l56qdic/edit?usp=sharing 3rd gear pull: https://docs.google.com/spreadsheets/d/1Ct4bmL7FL9L9UlofDehYj4SR_UGC5uRUp7SHNnrCbBk/edit?usp=sharing
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