
1999 GMC Sierra 1500 SLT 5.3L Misfire
thanks in advance.i was just wondering if that code could have anything to do with this random miss.i have checked fuel pressure okay,also cleaned out [...] was on cylinder's 134578 at first after i cleaned maf no misfies on any cylinder,but to me it;s not rig...
FIX posted 3/20/2009
![]()
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)12 Replies Received(Hide Replies)12 Replies Received
|
Message Closed w/FIX
|
VIN | 2GTEC19T7X |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Idle |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0463 | Fuel Level Sensor Circuit High Voltage |
Message Closed w/FIX
Vehicle Data
1999 GMC Sierra 1500 SLT
VIN | 2GTEC19T7X |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Idle |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0463 | Fuel Level Sensor Circuit High Voltage |