Index Isuzu Isuzu Amigo / Axiom / Trooper / Rodeo / VehiCross - service repair manual 1999-2002 year
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6E–176 TROOPER 6VE1 3.5L ENGINE DRIVEABILITY AND EMISSIONS Diagnostic Trouble Code (DTC) P0137 HO2S Circuit Low Voltage Bank 1 Sensor 2 D06RY00173 Circuit Description The powertrain control module (PCM) supplies bias Conditions for Setting the DTC D No related DTCs. D Engine is operating in “closed loop”. D Engine coolant temperature is above 60 ° C (140 ° F). D “Closed loop” commanded air/fuel ratio is between D Throttle angle is between 3% and 19%. D Bank 1 HO2S 2 signal voltage remains below 22 mV OR D Bank 1 HO2S 2 signal voltage remains below 400 mV Action Taken When the DTC Sets D The PCM will ON the MIL after second trip with D The PCM will store conditions which were present Conditions for Clearing the MIL/DTC D The PCM will turn the MIL “OFF” on the third D A history DTC P0137 will clear after 40 consecutive D DTC P0137 can be cleared by using the Tech 2 “Clear Diagnostic Aids Check for the following conditions: D Heated oxygen sensor wiring – The sensor pigtail may D Poor PCM to engine grounds. D Fuel pressure – A condition which causes a lean |