
2012 GMC Sierra 1500 SLE 5.3L Excessive Emissions, Poor Idle Quality, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on
This truck came in w/multiple misfire on odd cylinders ONLY . Removed spark plugs to find odd plugs black from rich mixture on odd side only . Even bank is good . I could run a bunch of tests but it is doing this on one bank only . The plugs look just ...
FIX posted 6/1/2019
![]()
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 | 3GTP2VE74C |
Engine | 5.3 L / 8 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / fuel injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Cuts Out, Stall, Misfire, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Misc. | Fed |
Trouble Codes
P0175 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
P1171 | Fuel System Lean During Acceleration Detected |
Message Closed w/FIX
Vehicle Data
2012 GMC Sierra 1500 SLE
VIN | 3GTP2VE74C |
Engine | 5.3 L / 8 cyl / FLEX |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / fuel injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Surge, Cuts Out, Stall, Misfire, Poor Fuel Economy, MIL Lamp On |
Occurs | Always |
Misc. | Fed |
Trouble Codes
P0175 | Fuel System Too Lean (Bank 2) |
P0300 | Multiple Misfire Detected |
P1171 | Fuel System Lean During Acceleration Detected |