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2000 Chevrolet Express 3500 5.7L MIL Lamp on
Posted to GM Driveability on 6/17/2004 8 Replies

This thing is kicking my @$$. It came in with a P0140 HO2S B1S2 insufficient activity. I scanned data and found that the sensor was reading 450 mV at all times. I ended up replacing the sensor. Code reset after a few road tests. So I hooked it up to the scope ...

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  Related Documents & Media  2000 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Express 3500

VIN 1GCHG35R1Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Misc.Cable Company Bucket Truck

Trouble Codes

P0140Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity Detected
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Express 3500

VIN 1GCHG35R1Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways
Misc.Cable Company Bucket Truck

Trouble Codes

P0140Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity Detected