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1991 Buick Regal 3.8L Excessive Emissions
Posted to GM Driveability on 5/16/2001

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...

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Message Closed w/FIX

car Vehicle Data

1991 Buick Regal

VIN [No VIN Available]
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / 3800 efi
Emissionsca emissions
SymptomsExcessive Emissions
OccursUnder Load
Message Closed w/FIX

car Vehicle Data

1991 Buick Regal

VIN [No VIN Available]
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / 3800 efi
Emissionsca emissions
SymptomsExcessive Emissions
OccursUnder Load