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P0151 Diagnostic Trouble Code Discussion for June 2012

Air Fuel Sensor (Bank 2 Sensor 1) Circuit Low Input (Lean Shift)

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Trouble Ticket Help Requests for DTC P0151
Help Request Posted
2004 Chevrolet C6500 Kodiak C6C042 8.1L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 5B4MP67G24
P0151: O2 low voltage. This thing going up hill act like it isn't getting fuel. He will stop for few minutes & continue. Looking at the scanner freeze frame, shows that it is open loop when this occurs. Any thoughts would be welcome. Thanx
June 27, 2012