Installed the URD AFR Sensor Calibrator!!
This was exactly what the truck needed. The timing map is back to stock URD and no more knock during closed loop- open loop transition.
This tune works very well for myself and I would like share with you guys!!
2002 4runner Limited
~900ft above sea level
TRD SuperCharger 2nd Gen (Black)
2002 toyota OEM fuel injectors
Walbro 190 LPH
7th Injector kit with URD Performance Calibration Unit – AIC/Timing Calibrator with built in...