Question about 1994 Toyota Pickup

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Fuel power problem

I got power at the relay and it is good but can't got power at the fuel pump. Is there a way to test for power at the pump.

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You most likely have the power wire rusted off at the top of the bracket for the fuel sending unit/fuel pump assembly, on the top of the fuel tank. This is a very common problem for that year vehicle; I change that item quite often. You can check for power at the wiring harness going to the fuel tank, there should be 12 VDC in the BLUE wire, when the engine is CRANKING. There will be NO power in this wire with just the key on, because, the air-flow meter air-valve needs to open (when the engine cranks, the cylinder pull this valve open, by vacuum) , and the air-flow meter then turns on the fuel pump. To change the bracket, you either need to drop the tank or remove the bed. Hope this helps, and thanks for choosing FixYa.

Posted on Oct 23, 2008

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