 
				
	| 2004 Ford F-150 XLT 5.4L MIL Lamp on, No power and rattle The complaint is that the truck will not accelerate above 3000rpm under load and at about that point begins to rattle pretty bad. It feels ok at cruise or light accel. The LT fuel trims= B1+29% and B2+10%. The fuel rail was removed and injector inlets inspecte... 
                        
                            FIX posted 4/29/2010
                               
                    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 13 Replies Received (View Replies)13 Replies Received (Hide Replies)
 | Message Closed w/FIX 
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| VIN | 1FTPW12574 | 
| Engine | 5.4 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp on, No Power and Rattle | 
| Occurs | Always, Under Load, on Accel | 
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) | 
Message Closed w/FIX
            
             Vehicle Data
 Vehicle Data
                2004 Ford F-150 XLT
| VIN | 1FTPW12574 | 
| Engine | 5.4 L / 8 cyl / GAS | 
| Trans | 4-speed Automatic (Electronic) | 
| Delivery | Fuel Injection | 
| Emissions | OBD-II Compliant | 
| Symptoms | MIL Lamp on, No Power and Rattle | 
| Occurs | Always, Under Load, on Accel | 
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) | 
 13 Replies Received
13 Replies Received
 13 Replies Received
          13 Replies Received
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