× 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
1998 GMC C1500 Sierra SL 4.3L P0300
Posted to GM HVAC on 3/29/2012 11 Replies

Starts running poorly once or twice a [...] running poorly going to work drives to work shuts off truck. Starts missing most of the time on freeway. Restart runs good. Has code p0300 freeze fram readings. Engine load 24 coolant 189 st trim 1% st trim 126 lt tr...

11 Replies Received (View Replies)

  Related Documents & Media  1998 GMC C1500 Sierra SL

 
Message Closed w/FIX

car Vehicle Data

1998 GMC C1500 Sierra SL

VIN 1GTEC14W2W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedP0300
ConditionsRandom
Message Closed w/FIX

car Vehicle Data

1998 GMC C1500 Sierra SL

VIN 1GTEC14W2W
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedP0300
ConditionsRandom