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Which ecu do i have

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Old 09-01-2008, 07:33 PM
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Default Which ecu do i have

I have a p72 ecu and want to know if its obd2 or obd1 it has three plugs on it. If that dosent identify it what do i need to look for
Old 09-01-2008, 08:13 PM
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anybody.... my car has an obd1 dizzy and 1 o2 sensor but the wiring is all hacked together need to know what ive got so i know what i need
Old 09-01-2008, 08:44 PM
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???
Old 09-01-2008, 08:52 PM
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isnt a p72 ecu the obd2 h22 ecu?? at least thats what i thought...i may be wrong; VERY wrong.
Old 09-01-2008, 08:54 PM
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a p72 is a gsr ecu but there are 2 different p72's obd1 for 94-95 and obd2 for 96-01 i think
Old 09-01-2008, 08:55 PM
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Default Re: (slo_hatch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by slo_hatch &raquo;</TD></TR><TR><TD CLASS="quote">isnt a p72 ecu the obd2 h22 ecu?? at least thats what i thought...i may be wrong; VERY wrong. </TD></TR></TABLE>

P72 is for a GS-R, but the OBD1 versions can be reprogrammed to run H22s. To the OP check out http://technet.ff-squad.com compare your ECU plugs to those Katman has listed.
Old 09-01-2008, 09:01 PM
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well its a b16a2 in a 88 hatch
Old 09-01-2008, 09:08 PM
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<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jimmy o. &raquo;</TD></TR><TR><TD CLASS="quote">well its a b16a2 in a 88 hatch</TD></TR></TABLE>

Urg. was that hatch converted to OBD1 or was the engine converted to OBD0?
Old 09-02-2008, 12:11 AM
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Default Re: (94EG8)

3 grey plugs, 3grey holes = obd1.

3 grey plugs + 4 holes = obd2 a or b depending.

take a pic
Old 09-02-2008, 01:02 AM
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Tell me the three letters after "P72" and I'll tell you exactly what model it came out (any US ECU).
Old 09-02-2008, 03:09 PM
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This is my friends car the three letters after p72 are 003
Old 09-02-2008, 03:17 PM
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37820-P72-003 should be a JDM ECU. As I mentioned, I can only look up USDM (and a couple other countries too actually).

http://www.hondata.com/techecuid.html
Old 09-02-2008, 04:58 PM
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Default Re: (NOFX)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by NOFX &raquo;</TD></TR><TR><TD CLASS="quote">37820-P72-003 </TD></TR></TABLE>

thats jdm gsr
obd1

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by slo_hatch &raquo;</TD></TR><TR><TD CLASS="quote">isnt a p72 ecu the obd2 h22 ecu?? at least thats what i thought...i may be wrong; VERY wrong. </TD></TR></TABLE>

p5m is H series obd2 usdm p5j is jdm
p13 is obd1 us and jdm

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