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cel 41

 
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Old 12-08-2011, 05:56 PM
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cel 41

okay ive been at this for weeks... after getting a 12 egr code i replaced the egr solenoid and seafoamed the egr ports..then i got cel 41 (o2 sensor) i figured i fried my from the seafoam so i went to buy a new one ngk.. after putting the new sensor on and resetting the ecu i got rid of my 12 code and still had cel 41. i did everything from re-wiring the o2 circuit to exchanging the o2 sensor for a denso but i still cant get rid of the code...now im thinking its the ecu..its just a super coincidence that right after seafoaming i cant get rid of this code.. and if u think that i may have to swap out my ecu then what other ecu part number can replace 37820-p14-a51..honda told me that i can only use an exact match but i know they sometime say that to cover their own a** Any suggestions???


1993 honda prelude h23a1 4WS
Ecu part number:37820-p14-a51

Last edited by xshooterx; 12-08-2011 at 06:05 PM.
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Old 12-09-2011, 10:36 AM
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Re: cel 41

def could be the ecu, my lude was throwing that code in error and a new ecu fixed it. I would stick with that part # also. you can probably find a used one somewhere.
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Old 12-09-2011, 08:26 PM
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Re: cel 41

alright thanks i guess i will start doing some ebay/junk yard searching to find a match
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Old 12-12-2011, 01:58 PM
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Re: cel 41

turned out to be the ecu
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