Question about 2004 Toyota Corolla
This is caused by a damaged wire on the engine going to the different parts that are controlled by the EFI computer, look for places the harness may have rubbed through the wire insulation, it will be hard to find, but it will be there somewhere.
Posted on Oct 11, 2008
SOURCE: EFI fuse Keeps Blowing
I had the same problem at one point. My issue was a bad grounding point from the battery to the chassis. I would say check all of your grounding points.
Posted on Nov 10, 2009
SOURCE: 1990 toyota pickup 3.0 v6,engine
This is an unfortunatly common problem with this vehicle, if my hypothesis is correct. Try this: disconnect the wiring connector going to the fuel tank, under the bed. Replace the fuse and crank the engine. If the fuse does not blow, then the power wire going to the fuel tank sending unit is shorted out to ground. I change about 15-20 fuel sending units a year for this exact same issue. Replace the fuel tank sending unit if the fuse does not blow. When you get it out, you will see the cause of the short, rust at the connection on top of the sending unit. Hope this helps.
Posted on Sep 15, 2008
SOURCE: fuel pump fuse blows
Check the fuel pump relay, i am not sure but i think there are two of them. Check the wire harness too, mice may have chewed in to the wires causing a shot in the system.
Good luck and hope this helps.
Posted on May 09, 2009
I had the same problem with my 1990 P/u. It turned out to be the O2 sensor touching the underside of my box shorting and blowing the EFI Fuse
Posted on Oct 26, 2009
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