Toyota PU EFI question


Old 07-02-02, 08:21 AM
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Question Toyota PU EFI question

1990 Toyota-v6-extendacab pickup, keeps blowing the EFI 15 amp blade fuse. Replaced the fuse many times then went to the EFI relay switch and replaced that. Still blowing blade fuses-15 ampers. What would possibly be causing this to happen and what would be my part to check?
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Old 07-02-02, 09:36 AM
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This will be a gazorch to check without a wiring diagram, so that is the first step.

Look for shorted or chaffing wires which would surely cause it to blow.
Old 07-02-02, 11:14 AM
Join Date: Jun 2002
Location: Long Island, NY
Posts: 1,531
likely place to look would be O2 heater wires by trans crossmember.


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