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Is my motor obd1 or obd2

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Old 04-13-2010, 07:59 PM
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Default Is my motor obd1 or obd2
how can i tell what year my b16a2 is ... and therefore whether its obd1 or 2?
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Old 04-13-2010, 08:07 PM
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Default Re: Is my motor obd1 or obd2
well if its a b16a2 then you already have your answer. usdm they were only available in the 99-00 civic si, so that makes it originally an obd2b engine.
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Old 04-13-2010, 08:18 PM
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Default Re: Is my motor obd1 or obd2
I dont know if its usdm ... but if it is and i have an eg (93 si with a p28) what wiring concerns do I have? and can I just chip my p28 and move along?
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Old 04-13-2010, 08:26 PM
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Default Re: Is my motor obd1 or obd2
if it says b16a2 on the block its usdm if it says b16a on the block its jdm, yes chip the P28

gl
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Old 04-13-2010, 08:34 PM
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Default Re: Is my motor obd1 or obd2
what he said ^ chip the p28 with a b16 basemap. check out phearable.net and xenocron. they'll be able to help you out.
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Old 04-13-2010, 09:46 PM
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Default Re: Is my motor obd1 or obd2
1996 was the first year for OBD2. If your car has 2 o2 sensors (one on the header/manifold and the other near the catalytic converter) you have OBD2.
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Old 04-13-2010, 10:07 PM
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Default Re: Is my motor obd1 or obd2
your cylinder head has the date when the motor was made.
is on top of the header runners
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Old 04-14-2010, 06:26 AM
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Default Re: Is my motor obd1 or obd2
B16A2's are from 99-00 Si's. The motor is OBD2, but you can run a chipped P28 with a b16 map and it will run fine.
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Old 04-15-2010, 07:43 AM
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Default Re: Is my motor obd1 or obd2
Motors dont have OBD (on-board diagnostics) only the ECUs do...
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Old 04-15-2010, 07:46 AM
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Default Re: Is my motor obd1 or obd2
Originally Posted by xenocron
Motors dont have OBD (on-board diagnostics) only the ECUs do...
you know what I mean. The block and parts have the sensors/spaces for sensors that OBD2 systems require.
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