Mitsubishi Montero & Montero Sport This sport utility vehicle offers more size than the other Mitsubishi SUVs, but manages to keep a sporty look and comfortable feel, unlike many larger SUVs.

20 amp fuse in engine compartment keeps blowing

  #1  
Old 07-06-2010, 09:22 AM
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Join Date: Jul 2010
Posts: 1
Unhappy 20 amp fuse in engine compartment keeps blowing

Hi, I have a mitsubishi montero sport 2000. It runs beautiful but just last week the 20 amp fuse in engine compartment keeps blowing. I put a new one in and it restarts again. It run run for a little but then it dies again. It seems only to happen when I depress the accelerator. If i leave it in park it will not shut off but once I push down the accelerator it will go. I have traced all the wires in the diagra and fixed a couple of lines that could of got grounded but that did not solve the problem. Any ideas??
 
  #2  
Old 04-19-2011, 07:32 PM
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Join Date: Apr 2011
Posts: 3
Default fuse blowing too

I am having a very similar problem after a timing belt/spark plug change. Did you ever figure out what was causing the problem or does anyone else here have any insight?
 
  #3  
Old 04-23-2011, 02:04 PM
mothman52's Avatar
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Join Date: Mar 2011
Location: Santa Cruz, CA
Posts: 211
Default

stp135 & aps13, welcome. Are you guys brothers?

First thing I would recommend, after checking the "obvious" stuff like loose ground wires and such is to run a check of error codes from your ECU. If something is bad or going bad and drawing more than it's share of current, it most likely would show up there and give you a place to focus your attention.

Since it seems to happen in tandem with engine speed, it could be your Alternator or voltage regulator, but a check for error codes is the first thing that I'd look for. Try that, and we'll take it from there...
 

Last edited by mothman52; 04-23-2011 at 02:07 PM.
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