I am trying to troubleshoot a 4runner with 135k miles, auto, 3.4 V6 California emissions. This is the freeze data: PID Description Value Units 0x02 Freeze frame DTC P0420 - 0x03 Fuel system status Closed-loop, using oxygen sensor feedback to determine fuel mix - 0x04 Calculated load value 34.12 % 0x05 Engine coolant temperature 197.6 F 0x06 Short term fuel % trim - Bank 1 0.78 % 0x07 Long term fuel % trim - Bank 1 3.91 % 0x0C Engine RPM 2287 RPM 0x0D Vehicle speed 68.97 MPH 0x0F Intake air temperature 95 F So far the front and back Ox sensor was replaced and the MAF cleaned to clear a P0171 co
난이도 쉬움⏱ 30~60분잭스탠드