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Matching P72 ECU w/ GSR engine

Discussion in 'ECU's, Electronics, and Tuning' started by cvcsleeper, Dec 9, 2003.

  1. cvcsleeper

    cvcsleeper Member

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    If I get a 96 P72 ECU, can I match it with any B18C1 engine 97-98?

    The reason I'm getting a 96 P72, is because I have a 96 D16Y7 engine in my Civic, that system does not have a fuel tank pressure sensor, bypass solenoid valve or any other newer evap components. Those newer components hookup to the ECU. My car only has the 2 way valve and the charcoal canister. I found out the 96-97 B18C1s have the same components as my car does. Since the 96 ECU doesn't hookup to the newer evap components, I wouldn't be getting any CEL codes.
     
  2. pills_PMD

    pills_PMD Super Moderator

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    obd2 = obd2 go for it.
     
  3. cvcsleeper

    cvcsleeper Member

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    Does anybody know the full ECU number for the 96 and 97 p72?
     
  4. AllMotorMonster

    AllMotorMonster Senior Member

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    I believe the 96-99 is 37820-P72-A03
     
  5. cvcsleeper

    cvcsleeper Member

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    Would the 96-97 number be different? Because there aren't any evap components plugged into the ecu. 96-97 models don't have them.

    EDIT: By being a different number I mean the last 3 digits (e.g. A03). These are the digits that I want to know which ones would be associated with a 96 or 97 GSR.
     
  6. AllMotorMonster

    AllMotorMonster Senior Member

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    Yes, there is a EVAP system on all 94+ GSR's.

    The ecu from 96-99 is the same. The last 3 digits just tell where the ecu is from (A##), if it's a auto or manual (#0#), and what the firmware revision is (##3)

    So if you have a A03 is a USA model, manual trans, firmware revision 4
     
  7. cvcsleeper

    cvcsleeper Member

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    Cool, thanks a lot for the info, much appreciated. :thumbsup:
     
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