P1273 Diagnostic Trouble Code Discussion for December 2016
Air Fuel Sensor (Bank 1 Sensor 1) Lean Shift Monitoring
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| Help Request | Posted | |
| 2005 Nissan Maxima SL 3.5L MIL Lamp on VIN: 1N4BA41E15 P1273: Air Fuel Sensor (Bank 1 Sensor 1) Lean Shift Monitoring. ... car lot. This car came from the auction so no history on it. Had code P1273 and a bad oil leak. Found both valve covers leaking. Replaced valve covers and bank 1 upstream O2 sensor. Cleared the self learning, and started ge... |
December 31, 2016 |
