is there anything different with the 88-89/90-91 PM6 Ecu's?
Honda-Tech Member
Joined: Apr 2002
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From: OH
Re: is there anything different with the 88-89/90-91 PM6 Ecu's? (GsRdHatcH)
they all work the same engine wise
but internally they are different
the 90-91 can only be chipped
the 88-89 can also but they are more complex
but internally they are different
the 90-91 can only be chipped
the 88-89 can also but they are more complex
Thread Starter
Honda-Tech Member
Joined: Jul 2004
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From: Northern Cali
Re: is there anything different with the 88-89/90-91 PM6 Ecu's? (USDM 4G VTEC)
Well i have two PM6 ecu's. One is a 90-91 pm6 and the other is a 88-89 pm6 how can i tell the difference?
Joined: Feb 2004
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From: endwell, ny, us
Re: is there anything different with the 88-89/90-91 PM6 Ecu's? (GsRdHatcH)
The way to tell the difference is if the 88-89 ecu has a 28pin E-Prom (in laymans terms a computer chip) It should have 14 on 1 side and 14 on the other. It should also read OKI. All 90-91 pm-6 ecu's have this in them
Joined: Feb 2004
Posts: 449
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From: endwell, ny, us
Re: is there anything different with the 88-89/90-91 PM6 Ecu's? (GsRdHatcH)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by GsRdHatcH »</TD></TR><TR><TD CLASS="quote">so ill have to open it and look to see?</TD></TR></TABLE>
Oh yeah... I believe that's the only way.. unless some one else says different..
Oh yeah... I believe that's the only way.. unless some one else says different..
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