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H22 OBD1 or OBD2?

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    #1

    H22 OBD1 or OBD2?

    hey guys got a quick question.... whats a quick way to tell if an H22 is OBD1 or OBD2.do they both have knock sensors? things like that
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    #2
    Originally posted by c1g4u2nv View Post
    hey guys got a quick question.... whats a quick way to tell if an H22 is OBD1 or OBD2.do they both have knock sensors? things like that
    do u know what year car it came out of? wat does the ecu-end of the harness look like?

    OBD1


    best pic i could find of OBD2
    Last edited by theSOB; 09-22-2010, 12:51 PM.
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      #3
      visually.. The obd2 h22 has a different distributor. Looks the same but the OBD2 has less pins in the plugs. The obd2 h22 has 2 wire loom from where the crank pulley is.

      To actually know the year. 96-01 h22 is obd2: 92-95 h22 is obd1.

      Look at the head. It has dials on it. It points the year and possibly the month the head was built.

      You might have to look closely and clean it. Its there for sure!!

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        #4
        OBD2 should have a 3 wire IACV, not 2 like OBD1. Also, injector plugs are totally different, those are a dead give away.

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