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P1273 Diagnostic Trouble Code Discussion for January 2013

Air Fuel Sensor (Bank 1 Sensor 1) Lean Shift Monitoring


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Trouble Ticket Help Requests for DTC P1273
Help Request Posted
2004 Infiniti G35 3.5L MIL Lamp on VIN: JNKCV54E84
P1273: a/f Sensor b2 s1. ... continues to set code P1273 I have replaced sensor with a Denso and walker. Still the code comes back after about 2 days driving. The freeze frame shows the vehicle to be moving and under moderate load. the freeze frame also shows LT TRM (B1) 107 LT TRM (B...
January 21, 2013