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Home >> Lexus >> 2005 >> LS 430 >> Repair and Diagnosis (Single Page) >> Engine Performance >> SFI System - Diagnostics >> DTC P0134, P0154: Heated Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1), Oxygen Sensor Circuit No Activity Detected (Bank 2 Sensor 1) >> Monitor Strategy

Monitor Strategy

MONITOR STRATEGY TABLE

Related DTCs P0134: Excessive time to enter closed loop (bank 1) P0154: Excessive time to enter closed loop (bank 2)
Required Sensors/Components (Main) HO2S (sensor 1)
Required Sensors/Components (Related) ECT sensor, Throttle position sensor, Crankshaft position sensor, Vehicle speed sensor
Frequency of Operation Once per driving cycle
Duration 65 seconds
MIL Operation Immediate
Sequence of Operation None
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