SO I have a 2005 Buick Lesabre
Its not passing Emissions.
Throwing code P0171. ( system running lean)Bank 1.
I cleaned the Mass Air Flow Sensor with MAF Cleaner.
Sprayed it like a son of a gun .No go.
PCV ? Maybe? Replace?
O2 Sensor?
Vacuum Hose?
Anyone have this happen on the GM V6 3800 Engines?
Its not passing Emissions.
Throwing code P0171. ( system running lean)Bank 1.
I cleaned the Mass Air Flow Sensor with MAF Cleaner.
Sprayed it like a son of a gun .No go.
PCV ? Maybe? Replace?
O2 Sensor?
Vacuum Hose?
Anyone have this happen on the GM V6 3800 Engines?