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1995 Buick Riviera 3.8L Poor Idle Quality, MIL Lamp on
the car came to me with the check engine light on and a poor [...] test code 171 the sort term and long term fuel trim [...] o2 sensor was lean at idle and 2000 [...] the o2 sensor and spark [...] o2 sensor would still read lean at idle but would switch at 200...
FIX posted 3/23/2009
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Message Closed w/FIX
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12 Replies Received
12 Replies Received
Related Documents & Media | VIN | 1G4GD2217S |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | Not OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Idle, Intermittently |
| Misc. | 2 Door |
Trouble Codes
| 171 | fuel trim lean |
Message Closed w/FIX
Vehicle Data
1995 Buick Riviera
| VIN | 1G4GD2217S |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | Not OBD-II Compliant |
| Symptoms | Poor Idle Quality, MIL Lamp On |
| Occurs | Idle, Intermittently |
| Misc. | 2 Door |
Trouble Codes
| 171 | fuel trim lean |
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