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cel on but it wont blink when trying to get codes out.

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    #16
    Well before you go buying a new ECU remove that chip and put the sensor back on and reset your ECU and see if the light goes out.

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      #17
      good call bro i will do that first but someone mention to me that ecu mostlikely go bad when water and moisture hits it and i did have a water problem in my car( i was driving without the splash shield in the passengers side underneath the fender and above the tire ) a good amount of water was getting in for about a month and a half. it was soaking my carpet on the rigth side of the car passengers side and most of all behind passenger side back seat ( i have a sedan ) so i totally understand if mine is soaked or damaged ( i fixed the problem now and no more swimming pool inside my car )

      ok guys so i just took out the perf. chip (ecu chip that replaces IAT sensor ) and put in stock IAT sensor but no different reaction. car still acts poorly with its miss at time to shift ( like i mention on another thread ) the only difference was the startup idle, it sounded better in that part. cel remains on like it always has and when i jump the harness i get the same solid cel on and the code 14 d4 ligth. ecu still toasted rigth? ima remove that next to look for any signs of damage but just thought i let u guys know about that chip i just removed cus shadow 1992 suggested it

      and thanks a lot so far for the ideas, support and thoughts.
      Last edited by pike0825; 05-15-2011, 09:46 PM.

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        #18
        You removed the chip, but it sounds like you didn't reset your ECU. Pull the "radio/backup" fuse, and/or disconnect your battery for about 30 minutes. That should reset the ECU and clear any codes if the problem has been corrected.






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          #19
          ok. i went back to the car and disconnected negative and positive and back up fuse in engine bay. ima let it sit like that till tommorow. see what his reaction is ( yeah, its a male )

          is there any way to reset the ATCU?

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            #20
            ATCU? TCU? The transmission computer? That will do it.






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              #21
              how can i tell if my ECU/TCU is not working. my TCU gives out code 14 and my ECU stays solid. i disconnected them, took them a part and they both had minor greenish whiteish oxidation on the outside and the ECU had some oxidation on the inside on one side a liitle bit.i sort off wiped what i could off ( cleaned it a bit i guess ) put them back in and the car acts the same. ( i had the negative disconnected while i took them off and put them back in )

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