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1995 Buick Riviera 3.8L Poor Idle Quality
Afternoon all, This Buick will not idle smoothly. The ignition compomemts check good. We check ed the purple wire at the O2 sensor harness for .38v engine not running. Tan wire at O2 harness for .95v. Autoline recommended a PCM for this vehicle and it was ...
FIX posted 10/1/1998
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| VIN | 1G4GD2213S |
| Engine | 3.8 L / 6 cyl |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
| Misc. | Supercharged |
Trouble Codes
| 131 | Engine oxygen sensor low |
| 171 | Fuel trim lean |
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Vehicle Data
1995 Buick Riviera
| VIN | 1G4GD2213S |
| Engine | 3.8 L / 6 cyl |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality |
| Occurs | Always |
| Misc. | Supercharged |
Trouble Codes
| 131 | Engine oxygen sensor low |
| 171 | Fuel trim lean |
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