LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Blown EFI FUSE

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Old 10-24-07, 11:00 PM
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aplexus
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Default Blown EFI FUSE

Hey Guys. I need Help. I have a 91 LS400 (275K miles)

Car runs good till it warms up, then it blows the 20amp EFI Fuse.

What is making it blow? I have replaced the plugs, cap, rotors, wires, ignitors,fuel relay, and the ECM.

What am I missing? any help would be really appreciated.
Old 10-24-07, 11:48 PM
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PureDrifter
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well obviously since its blowing something is wrong ELECTRICALLY.

have u checked the wiring to misc. components of the car? how about the fuel pump?
Old 10-26-07, 06:41 AM
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LexLS
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Maybe something isn't fully connected and is shorting that circuit? Any error codes?
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