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1992 Cadillac Seville 4.9L High idle speed
Posted to GM Driveability on 3/12/2001

Hi group!

This caddy intermittently experiences a high idle after driving and then coming to a stop. When the problem occurs, idle speed is about [...] rpm in drive. On occasion, the only way to get the idle speed back to normal is to shut off then restart th...

  Related Documents & Media  1992 Cadillac Seville

 
Message Closed w/FIX

car Vehicle Data

1992 Cadillac Seville

VIN 1G6KS53B5N
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-I
SymptomsHigh Idle Speed
OccursCold, Hot, Idle, Intermittently

Trouble Codes

E030History code - ISC RPM out of range
Message Closed w/FIX

car Vehicle Data

1992 Cadillac Seville

VIN 1G6KS53B5N
Engine4.9 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPFI
EmissionsOBD-I
SymptomsHigh Idle Speed
OccursCold, Hot, Idle, Intermittently

Trouble Codes

E030History code - ISC RPM out of range