Why does my fuel pump keep running?
A fuel pump that stays on when the ignition is turned off can be caused by a few things. If you do not believe that the behavior is normal, then it may be possible that the the ignition switch or fuel pump relay have shorted and are feeding power to the pump.
Does the fuel pump run continuously?
The fuel pump runs continuously once the engine starts, and continues to run as long as the engine is running and the ignition key is on. The pump may run at a constant speed, or it may operate at a variable speed depending on engine load and speed.
Can bad fuel pump drain battery?
A: The only way the fuel pump could be draining the battery is if the fuel pump is running full time. And it would drain the battery within a few hours, not a week. A normal car battery has 48-64 ampere-hours of capacity, while a fuel pump draws, depending, 6-10 amps.
Why does my fuel pump not prime with the key on?
Fuel pump doesn’t prime with key on. I’ve been trying to figure this out for a couple days now. My 01 Tiburon wouldn’t start the other day. It would crank, but wouldn’t fire. When I turn the key to the “on” position, the fuel pump doesn’t kick on.
Is there no power to the fuel pump?
No power to the fuel pump and the fuel relay is not getti… Q: No power to the fuel pump and the fuel relay is not getting power. My car has 190000 miles.
Why is the fuel pump and relay not working?
The ignition circuit, which includes the ignition switch, controls power to many components, including the fuel pump and relay. If there is an issue with the switch or the circuit, perhaps a wiring problem, then power to the fuel system may be cut off.
How does the fuel pump work in a car?
The fuel pump receives the fuel from the fuel tank and throws it into the fuel rail which transfers the liquid into the cylinders using the knowledge of the fuel pressure sensors. Naturally, if the pressure is not according to the manufacturer’s recommendations, you will experience little to no response from the car’s engine.