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1991 Cadillac DeVille 4.9L Poor Idle Quality, Stall
Posted to GM Driveability on 7/4/2001 5 Replies

Poor idle after the car reaches operating temp. Occasionally stalls when coming to a stop sign only with the a.c. on. Scan test showed no codes but the block learn reading shows low at 104, 128 is normal. Reading comes up to normal off idle and the car runs gr...

5 Replies Received (View Replies)

  Related Documents & Media  1991 Cadillac DeVille

 
Message Closed w/FIX

car Vehicle Data

1991 Cadillac DeVille

VIN [No VIN Available]
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / port fuel inj.
EmissionsFed emissions
SymptomsPoor Idle Quality, Stall
OccursHot, Idle
Message Closed w/FIX

car Vehicle Data

1991 Cadillac DeVille

VIN [No VIN Available]
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / port fuel inj.
EmissionsFed emissions
SymptomsPoor Idle Quality, Stall
OccursHot, Idle