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p1283

  1. Drivetrain Discussions
    After a few miles on a relatively rough trail, the truck showed P1283 ("Air Fuel Ratio Sensor 1 Lean Shift Monitoring Bank 2"). Noticed the Bank 1 upstream Air Fuel ("2x1" in image below) sensor had its wiring frayed from the driveshaft so I had that replaced. Clamp had rusted so perhaps the...
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