
1999 GMC K1500 Suburban SLE 5.7L Misfire
We have been working on this truck trying to correct this very intermittant misfire code that rears its ugly head every couple of [...] hard part is trying to duplicate the problem...it only occurs when climbing a long {1-2 mile } very steep uphill grade{which...
FIX posted 6/16/2005
![]()
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)22 Replies Received(Hide Replies)22 Replies Received
|
Message Closed w/FIX
|
VIN | 3GKFK16R3X |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / Central Sequential Fuel Inject |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Under Load, Intermittently |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0307 | Cylinder 7 Misfire Detected |
Message Closed w/FIX
Vehicle Data
1999 GMC K1500 Suburban SLE
VIN | 3GKFK16R3X |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / Central Sequential Fuel Inject |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Under Load, Intermittently |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0307 | Cylinder 7 Misfire Detected |