P0134 Diagnostic Trouble Code Discussion for January 2016
Heated Oxygen Sensor (Bank 1 Sensor 1) Signal Remains At Center
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| Help Request | Posted | |
| 2006 Hyundai Sonata GLS 3.3L Hesitation, MIL Lamp on VIN: 5NPEU46F56 P0134: Heated Oxygen Sensor (Bank 1 Sensor 1) No Activity Detected. We have a huge list of codes. See list. Mostly O2 heater and inactivity. We watch all the sensors working and then all of a sudden fuel trim goes to 0, all 4 O2's max to 1102mv and the heaters turn off. It also goes into open loop. We believe that it may have ... |
January 07, 2016 | |
| 2005 Mazda 3 S 2.3L Poor Idle Quality, Stall, Very Lean VIN: JM1BK32355 P0134: Heated Oxygen Sensor (Bank 1 Sensor 1) Lack Of Activity. Hello Friends, Car has unstable idle, will occasionally stall. Seems to run well at cruise, suspected vacuum leak early in diagnosis. When not in Open Loop Fault idle fuel trim in excess of 25% STFT & 20% LTFT, at cruise 0-5% STFT & 20.4% LTFT. Front... |
January 09, 2016 | |
| 2005 Mazda 3 S 2.3L Poor Idle Quality, Stall, Very Lean VIN: JM1BK32355 P0134: Heated Oxygen Sensor (Bank 1 Sensor 1) Lack Of Activity. Hello Friends, Car has unstable idle, will occasionally stall. Seems to run well at cruise, suspected vacuum leak early in diagnosis. When not in Open Loop Fault idle fuel trim in excess of 25% STFT & 20% LTFT, at cruise 0-5% STFT & 20.4% LTFT. Front... |
January 11, 2016 | |
| 2002 Hyundai XG350 3.5L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: KMHFU45E62 P0134: Heated Oxygen Sensor (Bank 1 Sensor 1) No Activity Detected. Car ran fine prior. Afterwards, car goes into limphome mode and will not idle. Both upstream o2's are holding steady at 20 mv, do not flucuate. Does not seem to accept any relearn. Have checked all connections, fuses. Car just keeps starting and stalling. Have... |
January 13, 2016 | |
| 2004 Toyota Tacoma 2.4L Excessive Emissions, MIL Lamp on VIN: 5TENL42N44 P0134: Air Fuel Ratio Sensor (Bank 1 Sensor 1) No Activity Detected. Customer returned after driving 4 weeks with light on. P0171 freeze frame indicates STFT 19.5% LTFT 28%. Tested front o2 and heater circuit within spec, no issues or short found in wirirng. Have not gotten to the ecu yet. Vehicle drives normal, no misfire, sl... |
January 27, 2016 | |
| 2004 Toyota Tacoma 2.4L Excessive Emissions, MIL Lamp on VIN: 5TENL42N44 P0134: Air Fuel Ratio Sensor (Bank 1 Sensor 1) No Activity Detected. Customer returned after driving 4 weeks with light on. P0171 freeze frame indicates STFT 19.5% LTFT 28%. Tested front o2 and heater circuit within spec, no issues or short found in wirirng. Have not gotten to the ecu yet. Vehicle drives normal, no misfire, sl... |
January 29, 2016 |
