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1996 Buick Skylark Custom 3.1L MIL Lamp on
Hello group, I have a 96 Skylark that sets code 0140 every two to three weeks. This is for slow (insufficient) rear H2OS activity. Two months ago I replaced both oxygen sensors and cleared the code, but it still sets the MIL every couple of weeks or so. I ...
FIX posted 9/16/1999
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Message Closed w/FIX
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| VIN | 1G4NJ52M2T |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity Detected |
Message Closed w/FIX
Vehicle Data
1996 Buick Skylark Custom
| VIN | 1G4NJ52M2T |
| Engine | 3.1 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / EFI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0140 | Heated Oxygen Sensor (Bank 1 Sensor 2) Insufficient Activity Detected |
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