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1992 Buick Roadmaster 5.7L Poor Idle Quality
Posted to GM Driveability on 12/22/2006 5 Replies

When car is in park or neutral, iac is 30-35, when put in gear or drive down the road iac goes to 180 and, of course, idle is very high. Also knock sensor goes on and off. Any help appreciated.

5 Replies Received (View Replies)

  Related Documents & Media  1992 Buick Roadmaster

 
Message Closed w/FIX

car Vehicle Data

1992 Buick Roadmaster

VIN 1G4BN5371N
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
SymptomsPoor Idle Quality
OccursNot Applicable
Message Closed w/FIX

car Vehicle Data

1992 Buick Roadmaster

VIN 1G4BN5371N
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI / tbi
SymptomsPoor Idle Quality
OccursNot Applicable