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1993 Toyota Pickup Blowing computer fuses

Tiny
AKTRACY
  • MEMBER
  • 1993 TOYOTA PICKUP
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 21,200 MILES
We have a '93 Toyota PU that was running fine. It quit while driving down the road and wouldn't start again. Got it home and found there was no spark. Replaced the coil, truck started and ran for 15 min. Then blew a fuse. Everytime I replace the fuse then turn the key to start the truck a 15 amp fuse blows.
What should I check next?
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Thursday, January 24th, 2008 AT 12:58 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
This is gonna be tough to answer.

Okay-what fuse is it blowing the ignition or the EFI?
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Thursday, January 24th, 2008 AT 1:32 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Inbox : Message
From: AKTracy
To: rasmataz
Posted: Thu Jan 24, 2008 2:25 pm
Subject: Toyota blowing fuse

It is the EFI fuse blowing.

When you turn key to On it blows right-BTDT

Disconnect the mass airflow meter connector and also remove the circuit opening relay-put another fuse in it and see what happens. If it continues to blow-check the red and white wire going to the computer box pin out +B1 for shorted to ground.

To make things complicated the fuel pump will not come On.
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Thursday, January 24th, 2008 AT 2:43 PM

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