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Old 04-13-2009, 08:43 AM   #1 (permalink)
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EFI fuse melts

Echo 2001 automatic, engine block fuse melts when the ignition key is turned on.Have disconnected ECU and most sensors that is feed by the yellow/black wire which runs from the EFI relay with out success.Anyone has an idea or has an original wiring diagram for this model.Thanks
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Old 04-14-2009, 11:58 AM   #2 (permalink)
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unplug your oxygen sensors, i have seen them short out.
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2005 Corolla LE - Impulse Red - Auto Trans - 1ZZFE - 86,000mi
2003 Echo - Auto Trans - 96,000mi. - slow as dog-dirt - I'd rather put my money in the bank than in the tank!!!!!
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Old 04-17-2009, 07:55 PM   #3 (permalink)
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yes the ox sensor have been disconnected plus crank can sensors,iac,tps,transmission selenoids,etc.. will have to strip the wiring harness to find a ground wire. thanks for your input. Normand
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