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1992 Cadillac Fleetwood 60 Special 4.9L Poor Idle Quality
Posted to GM Driveability on 12/4/2001 6 Replies

no codes found. minimum idle set at 750 rpm. tps at 1.2 volts. according to book is 10% of battery voltage. new idle speed motor installed. problem is idle flares at 2,500 rpm for 10 seconds at start up, hot or cold, then returns to normal. please help.

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car Vehicle Data

1992 Cadillac Fleetwood 60 Special

VIN 1G6CG53B2N
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsPoor Idle Quality
OccursCold, Hot
Message Closed

car Vehicle Data

1992 Cadillac Fleetwood 60 Special

VIN 1G6CG53B2N
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
SymptomsPoor Idle Quality
OccursCold, Hot