
2002 GMC Sierra 2500 HD 6.6L Misfire, MIL Lamp on
This truck will run great most of the time intermitantly 4-5 times over a month # 8 cylinder missfires causing codes and rough running G,M dealer installed 8 injectors for smoke at idle 14 months ago had no missfires at that time. We have checked wireing to in...
FIX posted 6/2/2011
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)5 Replies Received(Hide Replies)5 Replies Received
|
Message Closed w/FIX
|
VIN | 1GTHK23101 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0308 | Cylinder 8 Misfire Detected |
P1244 | Insufficient Closed Throttle Position Detected |
Message Closed w/FIX
Vehicle Data
2002 GMC Sierra 2500 HD
VIN | 1GTHK23101 |
Engine | 6.6 L / 8 cyl / DIESEL |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Misfire, MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P0308 | Cylinder 8 Misfire Detected |
P1244 | Insufficient Closed Throttle Position Detected |