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obd2 to obd1. few qusetions..

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    #1

    obd2 to obd1. few qusetions..

    so most of u kno i got a new motor jdm f22b dohc and yes its obd2....never thought id see it but.....
    so what are the thing i would need to convert the motor to obd1.
    i have the f22a wire harness
    a p39 and p14 ecu
    what else do i have to change like the disstributer sensors and stuff.if so on the dizzy what dizzy would i be using.
    any help would be greatly appreicated

    my new turbo build
    Tags: None
    #2
    Didn't know they made them obd2..

    Anyways. H23 obd1 dizzy and injectors. Use your cb wiring harness. Everything should be plug n play.

    Leave the crank sensor wire unplugged. It should be coming out the side by the crank pulley.

    Any obd1 ecu like the p14 or p39 is good.

    Comment

      #3
      Originally posted by excalibur02 View Post
      Didn't know they made them obd2..

      Anyways. H23 obd1 dizzy and injectors. Use your cb wiring harness. Everything should be plug n play.

      Leave the crank sensor wire unplugged. It should be coming out the side by the crank pulley.

      Any obd1 ecu like the p14 or p39 is good.
      wot wot..h23=f22b awsome got 5 or 6 h23 preludes in the j/yard.

      my new turbo build

      Comment

        #4
        H23 injectors are the same as F22A injectors.

        It's really just the dizzy you need.



        I still can't believe this is an OBD2 engine. Especially since you said it was newer than 1998. I'm 100% certain the F22B was a 4th gen Prelude motor only. Look at the date stamps between the exhaust ports. That will tell you the year of your engine.






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          #5
          Originally posted by deevergote View Post
          H23 injectors are the same as F22A injectors.

          It's really just the dizzy you need.



          I still can't believe this is an OBD2 engine. Especially since you said it was newer than 1998. I'm 100% certain the F22B was a 4th gen Prelude motor only. Look at the date stamps between the exhaust ports. That will tell you the year of your engine.
          ima look just for u deev.

          my new turbo build

          Comment

            #6
            I did find something on a Prelude site that said 98+, and someone on here did mention 1996 YEARS ago (which would still be the 4th gen Prelude...) so maybe it's possible... but still... news to me!






            Comment

              #7
              the f22b did come in ob2 for the 98-2001 prelude si from japan. I have it in my 92 accord as well although i did not do the swap and have no clue what wiring harness or ecu im running. i need some help because my car has a terrible surging idle and with the obd2 motor there is a map sensor on top of the tb and the wiring harness i has no hook up for it whatsoever and im stuck, the only way i can avoid the idle is unhooking my tps which is causing my gas mileage to suck and my car to idle at 1300rpm. can someone help and tell me what wiring harness and ecu to run obd1, do i need anything else? thanks

              Comment

                #8
                You might want to ask your specific questions in your own thread, rather than digging up a thread from 2010 that only VERY slightly relates to your situation.

                The MAP sensor being used is probably the one on the firewall. The ECU should be a P39, but it's probably not. Pull it out and look at it. You should see PT3, PT6, P14, P39, or something similar in the code on the side of it. The wiring harness should be the stock Accord harness. Unless the person that did the swap was an idiot, the car should still be OBD1






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                  #9
                  Sorry about that deev, I am new to this site, the rules, and cb7s lol I will be sure to post my own thread next time. Thanks for the help anyway

                  Comment

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