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what's the diffrence between ecu's

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    #1

    what's the diffrence between ecu's

    okae i got a question..i don't anything about this..but what's the diffrence between OBD1 and OBD2.....y do most people perfer OBD1...and for a 90 accord EX...y do alot of people like to use the 93 accord EX ecu and intake manifold..pls help me here....thinking to do this swap if it's worth it..thanx....
    Tags: None
    #2
    You must search. Answers can be found extremely easily.

    cha-ching

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      #3
      well if you are NOT familiar OBD stands for (On-board Diagnostics)..

      90-93 accords were one of the first if not the first to use the OBD1 version of computers or ecu's..

      there is no valid reason to want an OBD2 ECU for a vehicle not wired for it.. and there also is no valid reason for WANTING an obd2 ecu aswell..

      reason for that is that OBD2 ecu's are NOT programmable (not able to be chipped or modified)

      OBD1's are extremely programmable and very readily available.. there are 1000's of different programs available for obd1 ecu's.. aswell as whats known as Crome Tuning.. which is equipment and computer program available to make your own chips/adjustments/programs basically the cheapest FULL Stand-Alone ECU.. while still using your stock ecu.. although the same changes can be made as say.. an AEM, Apex'i Power FC, Accel DFI.. etc etc.. altho the chips are "burned" like CD's.. once burned they are not adjustable after that point.. another chip is to be made.. etc etc.. but chips are CHEAP CHEAP.. compared to the 1000-1500-2000$ for a new AEM Stand Alone..

      haha.. sorry for the OVERLOAD of information.. but i hope this gives you an idea.. why ppl either CONVERT to or STAY with OBD1 programming



      -Adrian


      1990 Accord EX-R 4door
      5speed, *H22a Power*

      -4 Doors are better because there is more of me to pass you with!-

      ++Proud to be Powered By Honda++

      Comment

        #4
        Originally posted by 4genaccordfreak
        ...there is no valid reason to want an OBD2 ECU for a vehicle not wired for it.. and there also is no valid reason for WANTING an obd2 ecu aswell...
        i would get OBD2 b/c if i wanna use a scan tool i only need to find one plug to plug it in. with OBD1 i would have to search through like 10 different plugs from different car makes to find the right plug for my car to use the scantool.

        haha nah im just messin whitchya

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          #5
          ^^ even tho you are joking...

          OBD2's REQUIRE scan tools to view engine/wiring codes...

          OBD1's do not.. and there is only 1 plug.. not 10 and it is usually near/undernieth the glove compartment...

          and only a simple paper clip.. or "U" clip is needed to view any codes


          **info just for anyone that didnt already know


          1990 Accord EX-R 4door
          5speed, *H22a Power*

          -4 Doors are better because there is more of me to pass you with!-

          ++Proud to be Powered By Honda++

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