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International Automotive Technicians Network
1987 Buick Century 3.8L Poor Idle Quality
Posted to GM Driveability on 3/30/2002 12 Replies

Need gm [...] idles high only when [...] car for 3 or4 min. then it will idle fine for 2or3 [...] engine cools down quit a bit,then its back to high [...] [...] iac and computer,no [...] sensor values ok. iac counts are 85 when first started cold and in 1/2 mi...

12 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1987 Buick Century

VIN [No VIN Available]
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / sefi
SymptomsPoor Idle Quality
OccursCold
Message Closed w/FIX

car Vehicle Data

1987 Buick Century

VIN [No VIN Available]
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI / sefi
SymptomsPoor Idle Quality
OccursCold