S2000 Talk Discussions related to the S2000, its ownership and enthusiasm for it.

Resetting Ecu

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Old Oct 10, 2003 | 09:12 PM
  #11  
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Ok, now it is #25. I think it's the service manuals that number them different according to total slots rather than used slots as in the user manual.
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Old Oct 10, 2003 | 10:48 PM
  #12  
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in my 2003 owner's manual ... they number them 1-27, whether they have a fuse or not. it gives 'back-up' as #16. unless i'm confused by your explanation (which is VERY possible), if the manual was numbering by used slots, wouldn't it go down (aka #14, not #25)?

Regardless everyone.... when in doubt, just look for 'back-up' on the sticker diagram on the kick panel near the fuse box.
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Old Apr 4, 2004 | 02:04 PM
  #13  
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You can pull the "back-up" fuse to disable the CEL light when you de-cat with a test pipe as well.
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Old Jun 13, 2004 | 04:19 PM
  #14  
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Originally posted by nvr2fast
You can pull the "back-up" fuse to disable the CEL light when you de-cat with a test pipe as well.
what happens if you leave it off for good when you decat?
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Old Oct 18, 2005 | 02:11 PM
  #15  
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An old thread yet I reset my ECU tonight following the instructions and gave the MAP sensor a nice tap with the end of a 5 cell maglight.

Seems to pull much better between 4-6k and then goes like a Latvian hooker being paid by the minute from 6k onwards.

I made a point of VTECing everywhere for an hour so that the ECU gets used to her being booted everywhere.

It made a subtle difference.
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Old Oct 18, 2005 | 02:20 PM
  #16  
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Originally Posted by cdelena,Oct 9 2003, 04:52 AM
Although it will turn off the check engine light (just temporarily if conditions are not changed) it forces the ecu to relearn all fuel trim. I will not do it as it screws with the idle and low speed response. I use an OBD tool to reset CEL conditions, instead of living with idle problem for the next twenty trips.
Are you certain about this? I have a cel light from my Test Pipe and need to get the car emmission soon, so was planning on pulling the fuse instead of taking it to autozone. Is much better to reset it using an OBD 2 tool, so I can go buy one or is it not worth the time or $???

Thanks
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Old Oct 18, 2005 | 02:30 PM
  #17  
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wont the car learn to kick after driving hard for a few weeks? Is resetting the ecu needed?
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Old Oct 18, 2005 | 02:54 PM
  #18  
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Did we REALLY need to post in a year old thread, hmmmm?
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Old Oct 18, 2005 | 07:05 PM
  #19  
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Originally Posted by afwfjustin,Oct 18 2005, 02:54 PM
Did we REALLY need to post in a year old thread, hmmmm?
You are right, we should just keep making new threads over and over again.
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Old Oct 18, 2005 | 11:24 PM
  #20  
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Exactly Kinetica.

After reflection this morning the car is definatley pulling harder. I like!
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