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1999 Buick Century Custom 3.1L Poor Idle Quality
Posted to GM Driveability on 3/11/2009 19 Replies

Good day people. I have this 99 Buick with a 3.1L engine that has a low idle speed. On cold start up the idle is low, approx. 600 RPM. Of course it doesn't want to stay running. You must feather the gas pedal to keep it running. Once warm it will idle by itsel...

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  Related Documents & Media  1999 Buick Century Custom

 
Message Closed w/Summary

car Vehicle Data

1999 Buick Century Custom

VIN 2G4WS52M4X
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways
Message Closed w/Summary

car Vehicle Data

1999 Buick Century Custom

VIN 2G4WS52M4X
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursAlways