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EC-686 [QG (WITHOUT EURO-OBD)] DTC P0134, P0154 HO2S1 (A/T MODELS) DTC P0134, P0154 HO2S1 (A/T MODELS) PFP:22690 Component Description EBS00QWZ The heated oxygen sensor 1 is placed into the EXHAUST MANI- CONSULT-II Reference Value in Data Monitor Mode EBS00QX0 Specification data are reference values. On Board Diagnosis Logic EBS00QX1 Under the condition in which the heated oxygen sensor 1 signal is SEF463R SEF288D MONITOR ITEM CONDITION SPECIFICATION HO2S1 (B1) ● Engine: After warming up Maintaining engine speed at 2,000 0 - 0.3V ←→ Approx. 0.6 - 1.0V HO2S1 MNTR (B1) LEAN ←→ RICH Changes more than 5 times dur- SEF237U DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0134 Heated oxygen sensor 1 The voltage from the sensor is constantly ● Harness or connectors ● Heated oxygen sensor 1 P0154 |