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1991 Buick Regal 3.8L Excessive Emissions
This regal is has vin code L engine. runs excellent, no codes, emissions are fine high and low in park and neutral, no pressure or leak problems at f.p. regulator. O2 sensor says high when it runs rich and comp goes into open loop but snap on scan tool says LE...
FIX posted 6/2/2001
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Message Closed w/FIX
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| VIN | [No VIN Available] |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / 3800 efi |
| Emissions | ca emissions |
| Symptoms | Excessive Emissions |
| Occurs | Under Load |
Message Closed w/FIX
Vehicle Data
1991 Buick Regal
| VIN | [No VIN Available] |
| Engine | 3.8 L / 6 cyl / GAS |
| Trans | 4-speed Automatic |
| Delivery | FI / 3800 efi |
| Emissions | ca emissions |
| Symptoms | Excessive Emissions |
| Occurs | Under Load |
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