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OBD2a or 2b?

Discussion in 'ECU's, Electronics, and Tuning' started by jeffsciv23, Jul 31, 2003.

  1. jeffsciv23

    jeffsciv23 Senior Member

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    i got an ECU for my car and i don't know what year it came from. it's a P2P for a 96-99 ex, how do i tell if it's OBD2a or OBD2b?
     
  2. pissedoffsol

    pissedoffsol RETIRED

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  3. jeffsciv23

    jeffsciv23 Senior Member

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    thanks, but my auto ecu uses all of the plugs and the manual one doesn't use the second one. would it be safe to asume that the manual one is OBD2a and not b?
     
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