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1993 Cadillac DeVille 4.9L Poor Idle Quality, Surge
Posted to GM Driveability on 12/8/2004 10 Replies

this vehicle will surge upon start up until it is put into reverse or drive, or turning the wheels against stop for about 5 sec- essentialy causing a slight load or dampening effect on engine. then it will idle down and continue to idle normally until you snap...

10 Replies Received (View Replies)

  Related Documents & Media  1993 Cadillac DeVille

 
Message Closed w/Summary

car Vehicle Data

1993 Cadillac DeVille

VIN 1G6CD53B1P
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SPF
EmissionsCANADA /US FEDERAL
SymptomsPoor Idle Quality, Surge
OccursAlways, Idle, After Startup,Or Snap Throttle

Trouble Codes

E30idle speed control circuit problem
Message Closed w/Summary

car Vehicle Data

1993 Cadillac DeVille

VIN 1G6CD53B1P
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SPF
EmissionsCANADA /US FEDERAL
SymptomsPoor Idle Quality, Surge
OccursAlways, Idle, After Startup,Or Snap Throttle

Trouble Codes

E30idle speed control circuit problem