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ECU Problem HELP!!

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Old Aug 25, 2005 | 11:30 AM
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slowsleeper's Avatar
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Default ECU Problem HELP!!

I posted this in the hybrid forum but haven't gotten any replies so I'll try here.


I have a 95 Civic Coupe with a 93 JDM H22 in there. Its running on a stock p13 ECU and is running pretty rough and rich so I decided to plug in a chipped p28 to see if changing the ECU would help. I plugged in the ECU and turned the key to the ON position, and as I am looking things over, I see smoke coming from the p28...I quickly unplug the p28 and open the case and there was a lot of smoke coming from there. I plugged the p28 back into my other car that it came out of and it worked fine.
THe p13 also works to when i plug it in, it doesn't smoke or anything. I was wondering what re-wiring is involved when swapping in a JDM h22 into a Civic. I'm wondering if any of the terminal plugs to the ECU had to be rewired...because its weird that the p28 was getting fried and the p13 had no effect.

I also have a question on what can make the car run really rich..I am not too familiar with the H-series motor yet so any input will be appreciated. Thanks

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Old Aug 25, 2005 | 11:49 AM
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mtber's Avatar
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Default Re: ECU Problem HELP!! (slowsleeper)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by slowsleeper &raquo;</TD></TR><TR><TD CLASS="quote">I posted this in the hybrid forum but haven't gotten any replies so I'll try here.


I have a 95 Civic Coupe with a 93 JDM H22 in there. Its running on a stock p13 ECU and is running pretty rough and rich so I decided to plug in a chipped p28 to see if changing the ECU would help. I plugged in the ECU and turned the key to the ON position, and as I am looking things over, I see smoke coming from the p28...I quickly unplug the p28 and open the case and there was a lot of smoke coming from there. I plugged the p28 back into my other car that it came out of and it worked fine.
THe p13 also works to when i plug it in, it doesn't smoke or anything. I was wondering what re-wiring is involved when swapping in a JDM h22 into a Civic. I'm wondering if any of the terminal plugs to the ECU had to be rewired...because its weird that the p28 was getting fried and the p13 had no effect.

I also have a question on what can make the car run really rich..I am not too familiar with the H-series motor yet so any input will be appreciated. Thanks </TD></TR></TABLE>

You probably have a plug mixed up or a wiring issue....
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