obd 0 computer help!

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Old Jan 10, 2006 | 04:56 AM
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crxnonvtec's Avatar
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Default obd 0 computer help!

Does anyone know what cars came with mpi and an automatic in 88-91 and what the computer was for those cars. I think an ex did and it came with a ps9 ecu. any help would be cool and if theres anyone that know where you can reflash an obd 0 ecu would also be a great help thnks.
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Old Jan 10, 2006 | 04:59 AM
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Default Re: obd 0 computer help! (crxnonvtec)

You are correct, the PS9 is from the 90-91 EX, and is a good candidate for getting chipped. There are several members on this board, including myself, who do ecu work.
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Old Jan 10, 2006 | 05:34 AM
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Default Re: obd 0 computer help! (drdisco69)

is the ps9 for an automatic though?
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Old Jan 10, 2006 | 07:09 AM
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Default Re: obd 0 computer help! (crxnonvtec)

PS9 is available in both manual and auto - you could also use a PG7 auto or PM7 auto
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Old Jan 11, 2006 | 06:15 AM
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Default Re: obd 0 computer help! (jlicrx)

A manual PS9 is called a PM6.
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Old Jan 11, 2006 | 10:00 AM
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Default Re: obd 0 computer help! (drdisco69)

what would be a ecu for a mpi automatic car and did all the 88-91 civics and crxs come with the same auto transmission?
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Old Jan 11, 2006 | 12:40 PM
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PS9 is MPFI and auto
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Old Jan 11, 2006 | 01:53 PM
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ooh good ecu for single wire vtec good luck finding one
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Old Jan 12, 2006 | 04:06 PM
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Default Re: (jdmhatchness)

actually I found a place that sells the ps9 for $90 so its an easy find he sells everything you can think of
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