2000 Toyota Tundra No Power To Fuel Pump Relay

Have no power to fuel pump relay all fues and relays. Found a relay which must be the efi relay. Not sure what you model is but its usually at front near pump.

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Pull it out and with a test light see if there is power.

2000 toyota tundra no power to fuel pump relay. It was hidden directly behind the kick panel relays. Using a 9v battery I was successful in sending voltage down the wire from the circuit opening relay circled in green to the fuel pump connector. Fuel Pump Replacement.

EFI NO1 15A Multiport fuel injection systemsequential multiport fuel injection system emission control system fuel pump and all components in EFI NO2 fuse 3. The black and white wire that leads to two terminals on the Fuel Pump relay socket from the COPN socket has no power. The truck wont start at all unless we bypass the fuel pump and run the fuel pump on a seperate battery.

Hi Team I got stuck in Three Rivers CA this past weekend and had my truck towed to Visalia Toyota. I get power at the wires behind 3 of the 4 of the COPN relay socket. At the control opening relay were getting power at timesand no power later on.

2 volts apparently is not enough to switch the relay on to send power to the pump. The Inertia Fuel Shut-off Switch located between the fuel pump relay and the fuel pump may need to. All 5 terminals of the Fuel Pump relay socket are dead again this.

Hi - Check the ignition switch. I would first verify that the main EFI fuel pump and ignition fuses are not blown as these can sometimes cut off power to the fuel system. It is making up fine ie.

Blue wire FP at times has power all the way back to the fuel pump yet the fuel pump will not come on. Also the fuel pump will only receive power when B and Fp are not connected when the key is in the Start position or the AFM flapper door is open air is flowing into the engine. Fuel pump relay location 1997 celica The relay and fuse is located under the hood in the relay box.