What is EFI car fuse?
The EFI fuse supplies voltage to the EFI relay and then the fuel pump.
What is EFI relay Toyota?
The fuel pump relay is an electronic component that is found on virtually all vehicles equipped with an internal combustion engine. It is often found in the fuse box located in the engine bay and functions as the primary electronic switch that controls power to the fuel pump.
What does EFI relay stand for?
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 happens if you have a bad main relay?
If the main relay is not supplying the engine computer with the power it needs, then the engine will not be able to crank and run the right way. Failing to get the main relay replaced will usually lead to the car being unusable.
Where is the fuse box on a Toyota 4Runner?
Toyota 4Runner (1999 – 2000) – fuse box diagram Year of production: 1999, 2000 Engine compartment (U.S.A.) Toyota 4Runner – fuse box – engine compartment (USA) Engine compartment (Canada) Toyota 4Runner – fuse box – engine compartment (Canda) Instrument panel Toyota 4Runner – fuse box – instrument panel Fuse (type A) Fuse Ampere rating [A]
Why is the EFI fuse blowing on my Toyota 3rzfe?
It’s not in the best location which fer the 3rzfe engine is under the air plenum but at least I would take a shot at it. After taking the fuel filter out, it was pretty gross and a quick blow test revealed that anything would struggle to git some flow through there.
Why does my EFI fuse keep blowing out?
Many Toyota owners have a problem with the electronic fuel injection (EFI) fuse blowing repeatedly. Here are some things to check: 1) The wires around the EGR tube for melting or fraying. 2) The wires near the EGR vacuum switching valve (VSV) located under the intake manifold.
What kind of fuel injection does a Toyota 4Runner have?
SRS airbag system, seat belt pretensioners, multiport fuel injection system/sequential multiport fuel injection system, discharge warning light Starting system, multiport fuel injection system/sequential multiport fuel injection system, all components in ”STA”, ”IGN” fuses