P0141 Diagnostic Trouble Code Discussion for April 2011
Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Performance
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| Help Request | Posted | |
| 2000 Toyota Tacoma SR5 3.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 41AWN72N0Y P0141: Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction. customer concern was lack of power and hesitates,i could not road test it would barely run,it would back fire through the throttle body, checked cam and crank timing all marks are in time.checked for external vacuum leaks with propane no leaks found.truck ran ... |
April 08, 2011 | |
| 2001 Chevrolet Tracker LT 2.5L MIL Lamp on VIN: 2CNBJ73491 P0141: o2 heater. Hello thanks for taking the time to help. I may need factory wiring diagram and fuse details. I have all data here and what I have looked at is the o2 heater relay. I have no power on pin 1 the blu/wht wire. I have power on pin 3 blk/wht wire. I have wiring di... |
April 16, 2011 |
