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2005 Buick LeSabre Limited 3.8L Po171
Posted to GM Engine on 12/3/2013 54 Replies

Car seems to run fine but resets PO171 within a day or two of being cleared. Replaced 'O' ring on power brake booster connection at intake but no change. I'm guessing it's a vacuum leak so I sprayed carb clean around intake but it didn't change idle any. Are t...

54 Replies Received (View Replies)

  Related Documents & Media  2005 Buick LeSabre Limited

 
Message Closed w/FIX

car Vehicle Data

2005 Buick LeSabre Limited

VIN 1G4HR54K15
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedPo171
ConditionsFuel Trim
Message Closed w/FIX

car Vehicle Data

2005 Buick LeSabre Limited

VIN 1G4HR54K15
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedPo171
ConditionsFuel Trim