How do I know if my fuel-pump relay is bad?
Here are the symptoms of a bad or failing fuel pump relay
- Engine stalls. One of the first symptoms of an issue with the fuel pump relay is an engine that suddenly stalls.
- Engine does not start. Another symptom of a faulty fuel pump relay is an engine that does not start.
- No noise from the fuel pump.
Where is the fuel-pump relay switch located?
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.
Where is the fuel-pump located on a 2001 Oldsmobile Alero?
it is in the fuel tank. the tank must be removed to gain acess to the pump assembly.
Where is the fuel-pump fuse and relay located?
What would cause a fuel pump relay to go bad?
The most common cause of a fuel pump relay going bad is electrical power surges that increase the voltage. The fuel pump relay is designed to have a winding that causes contacts to pass current or voltage. In some cases, the current or voltage might be so high that the contacts get burned.
Will a fuel pump work without a relay?
Without the fuel pump relay, you won’t even be able to drive your vehicle. The fuel pump relay allows the fuel pump to power up when you turn on your vehicle, and allows it to shut down when you turn the ignition off.
Where is the fuel pump relay located on a 2001?
Where is the fuel pump relay located? It is located in the battery junction box under the hood. If you are looking right at the relay box, it is on the left side, second relay down.
Where is the fuel pump on a 2003 Oldsmobile Alero?
The fuel pump is located in the fuel tank. The fuel tank must be removed from the vehicle in order to access the pump.
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.
Can you bypass the fuel pump relay?
Registered. Jumpering or bypassing the fuel pump relay puts a constant +12VDC to the fuel pump. Basically you have voltage directly from the battery to the fuel pump, even with the engine turned off. You could use a jumper assembly with a toggle switch to manually turn on and turn off the fuel pump.
What are the symptoms of a bad relay?
Car suddenly stalls while operating: One of the most common symptoms of a failed ignition relay is a car that suddenly stalls while operating. If the ignition relay shorts, burns out, or otherwise fails while the engine is operating it will cut off power to the fuel pump and ignition system.