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1986 Cadillac Seville 4.1L Poor Idle Quality
Posted to GM Driveability on 3/24/2011 4 Replies

has new battery, customer stated now engine idles fast after driving 8 minutes. confirmed idle at 2300 after driving. read posts on sail on problem common. scanned computer, found codes 14 and 59. have been focused on -40 coolant temperature reading and 258 de...

4 Replies Received (View Replies)

  Related Documents & Media  1986 Cadillac Seville

 
Message Closed w/FIX

car Vehicle Data

1986 Cadillac Seville

VIN 1G6KS6984G
Engine4.1 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
EmissionsCA
SymptomsPoor Idle Quality
OccursOn Accel
Misc.1227056 ECM/16059158Prom

Trouble Codes

14Coolant temp sensor
59Vcc temp sensor circuit problem
Message Closed w/FIX

car Vehicle Data

1986 Cadillac Seville

VIN 1G6KS6984G
Engine4.1 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFuel Injection
EmissionsCA
SymptomsPoor Idle Quality
OccursOn Accel
Misc.1227056 ECM/16059158Prom

Trouble Codes

14Coolant temp sensor
59Vcc temp sensor circuit problem