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2000 Chevrolet K3500 7.4L Excessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 7/16/2013 8 Replies

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...

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  Related Documents & Media  2000 Chevrolet K3500

 
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet K3500

VIN 1GCHK34J7Y
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On

Trouble Codes

P0132Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage
P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet K3500

VIN 1GCHK34J7Y
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsExcessive Emissions, Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp On

Trouble Codes

P0132Heated Oxygen Sensor (Bank 1 Sensor 1) Circuit High Voltage
P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage