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International Automotive Technicians Network
2001 Chevrolet Suburban 1500 5.3L MIL Lamp on
Posted to GM Driveability on 11/10/2008 16 Replies

Replaced downstream O2 sensor on passenger side (Bank 2, Sensor 2), cleared the code. MIL & same code came back 35 miles later. My scanner is showing very LOW voltage output from the new sensor. How can I test the output voltage of the new sensor?

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  Related Documents & Media  2001 Chevrolet Suburban 1500

 
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Suburban 1500

VIN 3GNEC16T21
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0157Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Suburban 1500

VIN 3GNEC16T21
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0157Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Low Voltage