× 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
1993 GMC Jimmy 4.3L Excessive Emissions, Misfire, Poor Fuel Economy
Posted to GM Driveability on 2/8/2002 42 Replies

Hello all,

Got my first 4.3 Vortec here and it has a history of fouling plugs every few hundred miles with soot and missing. Apparently the customer emptied the converter but didnt seem to help problem The o2 sensor is new but not switching as the system is d...

42 Replies Received (View Replies)

  Related Documents & Media  1993 GMC Jimmy

 
Message Closed w/Summary

car Vehicle Data

1993 GMC Jimmy

VIN 1GKDTRW9P2
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsExcessive Emissions, Misfire, Poor Fuel Economy
OccursAlways
Message Closed w/Summary

car Vehicle Data

1993 GMC Jimmy

VIN 1GKDTRW9P2
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic
DeliveryFI
SymptomsExcessive Emissions, Misfire, Poor Fuel Economy
OccursAlways