Self test has completed.
test
apa yg dimaksud kemiskinan?
scanning for codes will indicate if the CPS is at fault.
check all of your fuses all you have to do is do an ohm test probe one side and the other side you dont even have to take them out
1994 Toyota pickups do not have obd II they have obd I. There is a " diagnostic port " under the hood but its not of much use.
You need to test the wires at the map.
take the gas cap off the gas tank and have someone listen for it to turn on as you turn the key onto start.
All the relays are the same. Just swithch it with the fuel pump relay and if the car runs, the relay is good.
Find the fuel line or where the fuel injectors are and fallow the fuel line they are connected to and at some point you will find a connection much like a tire connection that is where you will do a fuel pressure test from
On a 1994 Ford Ranger ( which is OBD I , EEC IV ) should have an EEC TEST connection in the engine compartment ( P.S. I'm not a mechanic / technician )
If all of them stopped working at once, it could be a fuse. Find the Fuse box and test the one that connects to your dash. if the fuse is bad, replace it.