What is an EFI relay?
Your electronic fuel injection (EFI) main relay switches on the EFI computer system when you turn your key. This readies the injectors and pressurizes the system before starting the engine for startup fuel delivery. This relay may be controlled by your ignition switch directly, or by your ECU.
What does EFI mean?
Extensible Firmware Interface
The EFI (Extensible Firmware Interface) system partition or ESP is a partition on a data storage device (usually a hard disk drive or solid-state drive) that is used by computers adhering to the Unified Extensible Firmware Interface (UEFI).
What is the fuel reset button?
In the event of an accident, the “Fuel Reset Button” will turn off the fuel pump and system.
What are the symptoms of a bad EFI relay?
Symptoms of a Bad or Failing Main Relay (Computer/Fuel System) Common signs include the engine not starting, inability to stay running for a long time, and the Check Engine Light coming on.
What are the symptoms of a bad fuel pump relay?
One of the first symptoms of an issue with the fuel pump relay is an engine that suddenly stalls. If the fuel pump relay has an issue while the vehicle is operating it will cut off power to the fuel pump, which will cause the engine to stall.
What does a bad fuel pump relay do?
A bad fuel pump relay will cut the power to your car and stall the engine while you are driving. Keep in mind that a bad fuel pump relay might be faulty or in total failure. In either example, the engine might stall. A relay that is faulty might allow you to restart your engine after you give it a break.
What is an ignition relay switch?
The ignition relay is basically an electrical device that works as a switch for the power to the ignition system and the fuel system of your vehicle. The ignition relay is activated as soon as your turn on the ignition of your vehicle with the key.