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P1283 Diagnostic Trouble Code Discussion for April 2012

Air Fuel Sensor (Bank 2 Sensor 1) Lean Shift Monitoring

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Trouble Ticket Help Requests for DTC P1283
Help Request Posted
2005 Nissan Frontier LE 4.0L MIL Lamp on VIN: 1N6AD07W55
P1283: Air Fuel Ratio Sensor 1 Lean Shift monitoring Bank 2. ... again. Code P1283 continues to set. LTFT1 reads 2.3% at idle, LTFT2 reads 6.2% at idle.This code sets when engine is at operating temperature and at idle. I cleaned and tested the MAF Sensor, smoke tested engine for vacuum leaks-none found. I checked for e...
April 19, 2012