Monday, March 31, 2014
Do Faulty Fuel Pumps Burn More Gas
When a vehicles fuel delivery system is not working properly, one of the likely suspects is a faulty fuel pump. Issues, such as a higher than normal level of resistance in the ground connection of the fuel pump, could be causing the problems. In any event, a faulty fuel pump can certainly cause other issues within an automobile.
Fuel Consumption
A low fuel pressure reading often indicates that you have a faulty fuel pump. The voltage being supplied to the pump may not be high enough to spin the pump fast enough to build up the proper amount of pressure. This, in turn, leads to a vehicle burning more gas.
Hard Starting
When a fuel pump is not in operation, a vehicles fuel system should still maintain residual pressure for at least a few minutes. When this is not the case, its often because the check valve on the fuel pump is leaking. This can lead to hard starting in a vehicle.
Tips
If an in-tank fuel pump is faulty and needs replacing, the battery always should be disconnected first. This will keep sparks from occurring during the replacement procedure.
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