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98 CX plug into 00 si ecu?

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Old 11-15-2002, 09:03 AM
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Default 98 CX plug into 00 si ecu?

hey will the stock ecu plugs on a 98 cx plug into the ecu of a 99-00 si
Old 11-15-2002, 09:10 AM
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Default Re: 98 CX plug into 00 si ecu? (prawjEKt Cx)

Sorry, but NO.. the 96-98 Civic's run OBD2a using plugs A,C,D in the ECU... 99-00 Civic's run OBD2b and use the plugs A,B,C.... You could get away with this if you had a harness convertor but it won't work straight over.. Laterz
Old 11-15-2002, 09:31 AM
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Default Re: 98 CX plug into 00 si ecu? (JDMspecEG6)

That's right. It'll plug in, but won't work.
Old 11-15-2002, 11:33 PM
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Default Re: 98 CX plug into 00 si ecu? (Nameless)

**** so if i get a full 2000 b16 swap what should i do, get a obd2 ecu outta a 96-98 gsr....... but what a bout all the extra sensors a gsr has?:
Old 11-16-2002, 01:26 AM
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Default Re: 98 CX plug into 00 si ecu? (prawjEKt Cx)

jumper harness and go obd1
Old 11-16-2002, 05:10 AM
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Default Re: 98 CX plug into 00 si ecu? (prawjEKt Cx)

Actually the 96-98 GSR P72 would work on that motor and you wouldn't throw any codes. The only extra sensor the P72 has is the Secondary intake air bypass and it doesn't have a check code. The best thing I would recommend is buying an OBDII to OBDI harness and run an OBDI ECU - chipped P28, P72, etc.
My friend is running a Skunk 2 programmed OBDI P72 in his car - 96 CX with 00 B16A2, no check engine lights and it runs really strong.


Old 11-16-2002, 06:44 AM
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Default Re: 98 CX plug into 00 si ecu? (VTECVillain)

i've got the jumper harness and a p28 if you need!!!!
Old 11-16-2002, 10:21 AM
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Default Re: 98 CX plug into 00 si ecu? (H22EK)

Don't use the GSR ecu with a B16a swap. It will bog below 4400 rpms and suck.

GSR has a dual stage manifold.

All other B swaps have a single stage manifold.


Just do like the rest have suggested and either get an OBDIIa to OBDIIb jumper harness or even better an OBDIIa to OBDI jumper harness and a chipped OBDI ecu.
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