Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

help - ecu reset...now surging idle (solved)

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Old Dec 1, 2010 | 10:29 AM
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From: Kingcounty
Default help - ecu reset...now surging idle (solved)

Some one unplugged my ecu
(b16a2)
when i plugged it back in my motor was idleing around 2,200
vtech wouldnt crack
and my check engine light is on
and its over all running like S$#@!

I tryed to reset my ecu(p28)
I disconeccted the battery for a few minutes
plugged it in
let my car idle for a few minutes
turned it offf, started it back up .. but still runs the same . any help ???
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Old Dec 1, 2010 | 10:32 AM
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Default Re: HELP.. motor runs like @#$! after ecu unplugged

What are the CEL codes?
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Old Dec 1, 2010 | 10:39 AM
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Default Re: HELP.. motor runs like @#$! after ecu unplugged

il go check
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Old Dec 1, 2010 | 10:46 AM
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Default Re: HELP.. motor runs like @#$! after ecu unplugged

i cant find the jumper plug .. it should be around the ecu right ?
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Old Dec 1, 2010 | 10:57 AM
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Default Re: HELP.. motor runs like @#$! after ecu unplugged

Yes. Click on the CEL sticky at the top.
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Old Dec 1, 2010 | 11:04 AM
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Default Re: HELP.. motor runs like @#$! after ecu unplugged

well i checked
and the chenck engine light stayed on
but the srs light was just flashing
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Old Dec 1, 2010 | 11:22 AM
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Default Re: HELP.. motor runs like @#$! after ecu unplugged

should i maybe try a new ecu and see how it works ?
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Old Dec 1, 2010 | 12:11 PM
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Default help,ecu reset .. surging idle

(p28, b16a2, EJ1)

i tryed to reset my ecu
now my check engine light is on
and my motor idle surges between 2,000-2,400

i ran cel code .. but my srs light just blinks, and cel stays on . witch i beleive means there is no code ??

does this mean my ecu is reseting itself

the longest i have left idling is about fifteen minutes and it still surges

should i get a new ecu ?

... sorry for reposting, but i thought this better explains my problem
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Old Dec 1, 2010 | 12:17 PM
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Default Re: HELP.. motor runs like @#$! after ecu unplugged

Duplicate threads merged.
--------------------------------------
OBDI ECUs often lose stored CEL codes after the engine is turned off. The next time the CEL turns on, leave the engine running when you jump the service connector. This is a useful trick that member 94EG8 told me about.

The blinking SRS light just means that the SRS (airbag) control unit has a stored trouble code.
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Old Dec 1, 2010 | 12:40 PM
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Default Re: HELP.. motor runs like @#$! after ecu unplugged

Originally Posted by RonJ@HT
Duplicate threads merged.
--------------------------------------
OBDI ECUs often lose stored CEL codes after the engine is turned off. The next time the CEL turns on, leave the engine running when you jump the service connector. This is a useful trick that member 94EG8 told me about.

The blinking SRS light just means that the SRS (airbag) control unit has a stored trouble code.
This is what i did..

I think my best choice would be to buy a new ecu
tell me if im wrong.
or maybe im not reseting it right
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Old Dec 1, 2010 | 06:20 PM
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Default Re: help,ecu reset .. surging idle

problem solved ....... a chip fell out in my ecu and i had to plug it back in
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Old Dec 1, 2010 | 06:23 PM
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Default Re: help,ecu reset .. surging idle

Originally Posted by FTNW
problem solved ....... a chip fell out in my ecu and i had to plug it back in
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