1994 Toyota Celica 1.8L EFI DOHC 4cyl The Fuel Filter is located
under hood, center, upper firewall, mounted in fuel
line.
Common fuel line routing
View of the common electric fuel pump located under the rear seat
Removal Fuel Pump
Disconnect the negative battery cable.
Remove the rear seat cushion.
Unscrew the service hole cover.
Disconnect the electrical fuel pump wiring at the pump assembly. Check for any fuel leakage while in there.
Remove the gas cap, this will prevent any fuel gas spilling out of any high pressure lines.
Using SST 09631-22020 or an equivalent line (flare nut) wrench, disconnect the outlet pipe from the pump bracket.
Remove the pump bracket attaching screws.
Disconnect the return hoses from the pump bracket, then pull out the pump/bracket assembly.
Remove the nut and spring washer, then disconnect the wires from the pump bracket.
Remove the sending unit attaching screws, then pull the unit from the bracket. To disassemble:
Remove the lead wire.
Pull the lower side of the fuel pump from the bracket.
Remove the rubber cushion from the pump.
Disconnect the hose from the pump and extract the pump.
Separate the filter from the pump. Use a small screwdriver to remove the attaching clip.
To remove the sender, disconnect the wiring from the bracket and
unscrew the sender. Remove the screws, connector support, connector and
gasket.
Inspect all of the lines, hoses and fittings for any sign of
corrosion, wear or damage to the surfaces. Check the pump outlet hose
and the filter for restrictions.
When reassembling, ALWAYS replace the sealing gaskets with new
ones. Also replace any rubber parts showing any sign of deterioration.
To install:
To assemble the pump:
Secure and install a new gasket, connector and support with the screws.
Attach the sensor and secure the screws, connect the wiring to the pump bracket.
Install the pump filter using a new clip.
Connect the outlet hose to the pump.
Install the rubber cushion to the fuel pump. Push the lower side of the pump into place to secure on the bracket.
Engage the connector to the fuel pump.
Install the fuel sending unit to the pump bracket.
Install the fuel pump and bracket assembly onto the tank. Use new
gaskets. Tighten the pump bracket retaining screws to 31 inch lbs. (3
Nm).
Connect the return hoses to the pump bracket.
Install the service hole cover, then the engage the fuel pump and sending unit connector.
Connect the negative battery cable
Start the engine and check carefully for any sign of leakage
around the tank and lines. Road test the vehicle for proper operation.
Install the rear seat cushion.
I hope helps whit this (remember rated this help) Good luck.
it should be located along the frame some where. the best way to find it is to lift the car up and look at the fuel tank and follow the fuel lines to the motor and it should be some were between there
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Because you posted these rather cryptic posts at the same time... I am guessing (of course) that the area of wiring you are interested is AUDIO...
Somehow to kluge a Kenwood (obscure) into a Celica GT (very popular... cyberspace positively bulging... not only information but adapters... wiring... all stripe of interests, kits & adjuncts).
Not the least of which would be Crutchfield... Do look there!!
Could be a fuel flow issue, how old is your fuel filter and your fuel pump. If they have never been changed and total mileage is over 200K this is a distinct possibility.
it should be located along the frame some where. the best way to find it is to lift the car up and look at the fuel tank and follow the fuel lines to the motor and it should be some were between there
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