 
				
	| 2009 Ford Expedition EL Limited 5.4L Hesitation Came In for a hesitation under load, codes for both banks lean. Volumetric efficiency test found it's not perfect but also not bad considering the mileage. Monitoring fuel trims while driving found that Everytime it happens short term drops to -20 range on... 
                        
                            FIX posted 7/2/2019
                               
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| VIN | 1FMFK20509 | 
| Engine | 5.4 L / 8 cyl / FLEX | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Hesitation | 
| Occurs | Under Load, Intermittently | 
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) | 
| P0174 | Fuel System Too Lean (Bank 2) | 
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             Vehicle Data
 Vehicle Data
                2009 Ford Expedition EL Limited
| VIN | 1FMFK20509 | 
| Engine | 5.4 L / 8 cyl / FLEX | 
| Trans | 6-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | Hesitation | 
| Occurs | Under Load, Intermittently | 
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) | 
| P0174 | Fuel System Too Lean (Bank 2) | 
 10 Replies Received
10 Replies Received
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