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P1171 Diagnostic Trouble Code Discussion for February 2012

Fuel System Lean During Acceleration

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Trouble Ticket Help Requests for DTC P1171
Help Request Posted
2004 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALMF11494
P1171: fuel adaptionbank 1. Car Came in with only P1171. Found a crack on top of bank one catalytic converter. Welded the crack, reset mil, checked trims and sent it out. Vehicle came back 2 days later with p1171 and p1174. When the car runs to warm up you hear a hum noise from engine on...
February 22, 2012