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1991 Honda Civic reset

Tiny
SQUIGGY
  • MEMBER
  • 1991 HONDA CIVIC
Computer problem
1991 Honda Civic 4 cyl

hello, you have already helped me alot and I thank you very much! Great site! I had the question about the 20 code and you sent me very complete instructions on how to fix, however, I dont know which fuse to pull to reset ecu. That is the computer right? Pm5. Thanks!
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Friday, April 30th, 2010 AT 9:52 AM

1 Reply

Tiny
F4I_GUY
  • MECHANIC
  • 3,302 POSTS
It'll say ECM F/I on the fuse diagram. It's in the fuse block in the engine compartment.

If you can't find it, you can always just pull the negative terminal off the battery for several minutes. This will reset the light.
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Saturday, May 1st, 2010 AT 9:02 AM

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