
2010 GMC Acadia SLT 3.6L Poor Idle Quality, Misfire, MIL Lamp on
I bought this car with this problem. Runs great on start up, until warm. Then at idle only, you can feel a slight rough idle. Eventually it sets 1-3-5 misfire codes simultaniously. If it is really cold outside (below 0F) it will not run rough, even after 5...
FIX posted 1/4/2020
![]()
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)14 Replies Received(Hide Replies)14 Replies Received
|
Message Closed w/FIX
|
VIN | 1GKLVNED1A |
Engine | 3.6 L / 6 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / GDI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Hot, Idle, Intermittently |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0301 | Cylinder 1 Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |
P0305 | Cylinder 5 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2010 GMC Acadia SLT
VIN | 1GKLVNED1A |
Engine | 3.6 L / 6 cyl / GAS |
Trans | 6-speed Automatic (Electronic) |
Delivery | Fuel Injection / GDI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Occurs | Hot, Idle, Intermittently |
Trouble Codes
P0300 | Multiple Misfire Detected |
P0301 | Cylinder 1 Misfire Detected |
P0303 | Cylinder 3 Misfire Detected |
P0305 | Cylinder 5 Misfire Detected |