P0151 Diagnostic Trouble Code Discussion for July 2013
Air Fuel Sensor (Bank 2 Sensor 1) Circuit Low Input (Lean Shift)
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| Help Request | Posted | |
| 2000 Chevrolet K3500 7.4L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GCHK34J7Y P0151: Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage. Pickup came in running very poorly with a bad knock in lower end of motor. Put in rebuilt motor, rebuilt trany, cap, rotor, plugs, wires, and fuel filter. This is when the fun began! It starts fine, runs fine, until it goes into closed loop. It starts to missf... |
July 16, 2013 |
