× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1989 Cadillac Fleetwood 4.5L Excessive Emissions, Misfire
Posted to GM Driveability on 9/20/1999

This vehicle runs poorly when started cold then misses when driven. We checked it on the scope & found the ignition to be flipping out. If we disconnect the alternator it smoothes out & the ignition pattern looks great. We've tried another alternator, ever...

  Related Documents & Media  1989 Cadillac Fleetwood

 
Message Closed w/FIX

car Vehicle Data

1989 Cadillac Fleetwood

VIN 1G6CB5152K
Engine4.5 L / 8 cyl
EmissionsCa Emissions
SymptomsExcessive Emissions, Misfire
OccursAlways When Cold,Butnot With the Alternator Disconnected.
Message Closed w/FIX

car Vehicle Data

1989 Cadillac Fleetwood

VIN 1G6CB5152K
Engine4.5 L / 8 cyl
EmissionsCa Emissions
SymptomsExcessive Emissions, Misfire
OccursAlways When Cold,Butnot With the Alternator Disconnected.