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2003 Chevrolet Silverado 1500 SS 6.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 6/20/2018 8 Replies

I got a problem hear, it mainly sets code P0154 and running at 2,000 RPMs it sets P0174. Scan tool data at idle say Bank 2 Sensor 1 stays at 440 MV to 525 MV. Bank 1 Sensor 1 will switch. Also Short Term FT. on both Banks stay at 0.0% -- Long Term FT on bo...

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  Related Documents & Media  2003 Chevrolet Silverado 1500 SS

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500 SS

VIN 2GCEK19N73
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Multi- port
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Stall, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage
P0152Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High Voltage
P0154Air Fuel Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
P0158Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage
P0174Fuel System Too Lean (Bank 2)
P1153Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Silverado 1500 SS

VIN 2GCEK19N73
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / Multi- port
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Cuts Out, Stall, Poor Fuel Economy, MIL Lamp On
OccursAlways

Trouble Codes

P0151Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit Low Voltage
P0152Heated Oxygen Sensor (Bank 2 Sensor 1) Circuit High Voltage
P0154Air Fuel Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
P0158Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit High Voltage
P0174Fuel System Too Lean (Bank 2)
P1153Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching