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International Automotive Technicians Network
2005 Nissan Sentra 1.8L MIL Lamp on
Posted to Asian Driveability on 8/24/2011 7 Replies

Good Day IATN Techs, I have a Nissan Sentra that keeps resetting. These DTC's listed: P0139, P1146, P1147 All refering to the post Cat O2 sensor. Freeze Frame Data is always for the P0139 DTC. Nothing unusual in the stored PIDs. The vehicle is at cruise, 55mph...

FIX posted 9/4/2011

7 Replies Received (View Replies)

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car Vehicle Data

2005 Nissan Sentra

VIN 3N1CB51D05
Engine1.8 L / 4 cyl / GAS
Trans5-speed Standard
DeliveryFuel Injection / MPFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On

Trouble Codes

P0139Heated Oxygen Sensor (Bank 1 Sensor 2) Slow Response
P1146Heated Oxygen Sensor (Bank 1 Sensor 2) Lean Shift Monitoring (Bank 1)
P1147Electronic Throttle System Sub Accelerator Position Sensor 1 Circuit Malfunction