× 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 C1500 Sierra 4.3L Poor Idle Quality
Posted to GM Driveability on 8/6/2014 11 Replies

hey guys! Got a goofy one! occurs only on a hot soak, about 10 min after a test drive. low, rough idle for about 30 seconds then its like u flip a switch and it is perfectly normal. Runs great after that until next hot soak. Replaced fuel pressure regulator fo...

11 Replies Received (View Replies)

  Related Documents & Media  1993 GMC C1500 Sierra

 
Message Closed w/FIX

car Vehicle Data

1993 GMC C1500 Sierra

VIN 1GTEC14Z4P
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / TBI
SymptomsPoor Idle Quality
OccursHot
Message Closed w/FIX

car Vehicle Data

1993 GMC C1500 Sierra

VIN 1GTEC14Z4P
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / TBI
SymptomsPoor Idle Quality
OccursHot