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1990 Buick Regal 3.1L Poor Idle Quality, Hesitation, Surge, Cuts out
Posted to GM Driveability on 6/14/2000

Hello Techs,

Vehicle came in for emission failure--HC at idle--and had a rough idle but ran fine other than that. Vehicle was passing emissions fine when I brought it in. In the 30-45 minutes I spent checking for codes, secondary kv and fuel pressure, the car...

  Related Documents & Media  1990 Buick Regal

 
Message Closed w/FIX

car Vehicle Data

1990 Buick Regal

VIN 2G4WD14T0L
Engine3.1 L / 6 cyl
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out
OccursAlways

Trouble Codes

44O2 sensor lean
Message Closed w/FIX

car Vehicle Data

1990 Buick Regal

VIN 2G4WD14T0L
Engine3.1 L / 6 cyl
SymptomsPoor Idle Quality, Hesitation, Surge, Cuts Out
OccursAlways

Trouble Codes

44O2 sensor lean