Table of Contents
Most fuel-pump relay units are located under the dashboard near the steering column. In some cases, the unit is located in the area where the steering column is mounted or near the engine’s firewall.
How do you know if your fuel pump relay is bad?
How to tell if fuel pump relay is bad (6 Signs) Check Engine Light (CEL) Illuminated. In most cases, the primary symptom is a check engine light. High Mileage. Long Starting Time. Engine Performance Issues – Stalling, Idling, Acceleration, Not Starting. Car dies while driving. Silent Fuel Pump Noise.
Where is the fuel pump reset button?
The fuel pump shut-off switch is located behind an access panel on the right side of the luggage compartment. The fuel pump shut-off switch has a red reset button on top of it.
Where is the fuel pump relay fuse?
In most cases, the fuse box under the hood will contain both the fuel pump fuse and relay. Common locations for fuse boxes include: Under hood. Side of dashboard.
Can a fuel pump relay cause a car to not start?
A faulty fuel pump relay can also cause the engine not to start at all and be completely dead. No fuel pressure means that your engine will never start, and if the fuel pump relay failed, it would not give any power to the fuel pump to build up fuel pressure.
How do you reset a fuel pump relay?
How to Reset a Fuel Pump Shut Off Switch Locate your car’s inertial trigger or airbag control module. Push the button on the inertial switch; it should be clearly marked as the fuel pump reset, and may be in a contrasting color to the case.
What can a bad fuel pump relay cause?
Engine Stops This indicates a problem with the fuel filter, fuel pump or fuel relay. A faulty fuel pump relay can cause the car to come to a complete stop while driving. This will not be instant, but it may resemble what happens when a car runs out of gas.
What would make a fuel pump not turn on?
If either due to a faulty crank sensor, or ecu, the crank sensor signal is not being read, the ignition and fuel pump systems will not power up. Also, a faulty ignition module can create the same issue. Check for signals from the crank sensor and other sensors.
How do you reset the fuel pump sensor?
Press and hold the “Trip/Odo” button. Turn the ignition switch on and hold the “Trip/Odo” switch for about two seconds. Then, release the “Trip/Odo” button, press it again (do this three or four times), and finally hold it for about four to five seconds until the leveling information shows on the Odometer.
What happens if fuel pump fuse is blown?
A blown fuse can cause a fire if it is located in the engine compartment and starts overheating. A blown fuse inside of the engine compartment can cause a fire and should be dealt with as soon as possible because of its high risk to the car.
How much does it cost to replace a fuel pump relay?
A fuel pump relay will typically cost about $25 for the part, and a mechanic may charge a minimum of an hour’s worth of labor to replace it. The vehicle not starting may be a fuel pump or relay along with other possible ignition problems.
Can a weak battery cause a fuel pump not to work?
The fuel pump can run slower if the battery is low. This causes low fuel pressure and a lean fuel condition. A low battery can prevent one or more injectors from opening, which can cause lean misfire and/or hard starting.
Where is the fuel pump control module located?
The module is typically installed on or very close to the fuel pump, and in the early years of the component’s use, this practice led to a design fault. Manufacturers, including Ford, initially placed the module inside the vehicle immediately above the fuel pump, typically just beneath the floor pan.
What does the fuel pump reset button do?
In the event of an accident, the “Fuel Reset Button” will turn off the fuel pump and system.
How do you diagnose a fuel pump problem?
If you notice these six signs, consider taking your car to your local dealership to have the fuel pump replaced. Whining Noise From the Fuel Tank. The Engine Sputters or Surges. Trouble Starting the Car. Loss of Power Under Load. Reduced Gas Mileage. Stalling at High Temperatures.
Why is my gas light on when I have gas?
What Does It Mean When The Fuel Light Comes On? The low fuel warning light helps indicate when your fuel tank is running close to empty, and for some, how many miles are left. Newer models also notify you when gas levels are about the reach the bottom of the tank and your remaining mileage.
Which fuse controls the fuel gauge?
The fuse for your fuel gauge is more likely to be the same as the fuse for the entire instrument panel. This means that it should be located under the driver’s dash side or somewhere in the engine compartment. It is best to consult your car’s manual to find out where the fuse is.
