× 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
1999 GMC K2500 Sierra SL 7.4L Hesitation, Surge, Cuts out, Misfire
Posted to GM Driveability on 8/19/2008 7 Replies

Engine cuts out and stumbles intermittently under load. road test with data shows ft enable dropping to no periodically, especially when stumble occurs. I know i need to replace fuel pump, but that is not the intermitent. Anyone know what "ft enable" means. Al...

7 Replies Received (View Replies)

  Related Documents & Media  1999 GMC K2500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

1999 GMC K2500 Sierra SL

VIN [No VIN Available]
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, Cuts Out, Misfire
OccursUnder Load, Intermittently
Message Closed w/FIX

car Vehicle Data

1999 GMC K2500 Sierra SL

VIN [No VIN Available]
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / sefi
EmissionsOBD-II Compliant
SymptomsHesitation, Surge, Cuts Out, Misfire
OccursUnder Load, Intermittently