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Toyota PU EFI question

seamusmck's Avatar
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07-02-02, 08:21 AM   #1  
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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Joe_F's Avatar
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07-02-02, 09:36 AM   #2  
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.

toyotaman11769's Avatar

Join Date: Jun 2002
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07-02-02, 11:14 AM   #3  
likely place to look would be O2 heater wires by trans crossmember.


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