With the old fuel pump driver module unplugged and the fuel line disconnected the mounting bolts can be removed. This is more to prevent any possibility of a spark from occurring than an electrical shock. The replacement of the fuel pump driver module does require the battery to be disconnected. It is also generally located in the rear of the vehicle.
And Ive tried but I cant hear it run on first turn of the key in. If the truck has been off for a while, and you turn the key the pump may run for a few seconds before pressure is achieved. However, their repairing and replacement cost depends on the tool kit, labor hours, and the brand new part. Few other common causes are fuse, circuit problem, silver tarnishing, and sulfur build-up. These are the only two components in the fuel line before the intake of the vehicle. Our fuel system does not have a return line, so when the fuel pressure is achieved the pump will shut down. Why is my Ford F150 Gas Gauge Not Working Ford F150 gas gauge stops working due to the damage in the sending unit, wiring issue, gas gauge failure. The fuel pump driver module will be noticeably different from the fuel filter by its shape and that it will have wires running into it. In tracing out the fuel system, it can be easily located. What is common is that there is a single fuel line running to it. The exact location of this device is different on each make and model being produced. There are fuel pump driver modules on both gasoline and diesel powered engines. When it is malfunctioning but still operating, the driver can notice the engine to hesitate and possible the fuel mileage will not be at optimum level. The fuel pump driver module controls the flow of fuel to a precise amount. This device must be operating correctly or the engine will not idle or accelerate correctly and begin to stutter when the gas pedal is pushed down. It is the device that is at times referred to as the fuel solenoid. Now Ford has built one hell of a truck with the F-150 but we all know they have their quirks and the fuel pump driver module issue is one of them. With a broken fuel pump driver module in your vehicle, the correct amount of fuel being delivered to the intake system, if any, will not occur. 2004 - 2008 Ford F150 - Fuel Pump Driver Module- Check yours - Ok, I know this is a fairly well known fact to most but to those that arent aware this is a heads up.
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