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    Results 1 to 6 of 6
    1. #1
      Join Date
      Sep 2004
      Posts
      11

      FiTech "ECU no response"

      I am having trouble getting my FiTech up and running. Ford small block, FiTech EFI, MSD 6. The handheld is working but when I go to initial setup I get "ECU no response". I have a separate wire direct to battery for the +12 volts, the white wire (key) has +12 volts in the on and start position, also tried a separate ground wire from battery to throttle body. The shop that built the motor dyno'd with the FiTech so I am thinking it must be something I have done or not done. Any suggestions?

    2. #2
      Join Date
      Oct 2018
      Posts
      1
      Do you have the key turned on? You want to turn it on as if to start. Now the unit has power and can talk to the computer.

      Bob

    3. #3
      Join Date
      Aug 2007
      Location
      Jonesboro, Arkansas
      Posts
      2,506
      Country Flag: United States
      what bishop said. If that's now the fix, call FiTech.

      Carl Wilson
      1968 Camaro - T-56 6 speed - 383 Stroker, 2014 Mustang GT seats. FiTech EFI, Tanks Inc. Tank with Deutschwerks fuel pump.

    4. #4
      Join Date
      Mar 2014
      Location
      Yuma, AZ
      Posts
      635
      Country Flag: United States
      Sometimes the handheld in our car needs unplugged from the EFI to restore communication. Give that a try before you go too far.
      Nelson
      1969 Chevelle "Cone Smasher" Family Project
      https://www.pro-touring.com/threads/...uot?highlight=

      1984 "Rustang" GT, 5.0, 5 Speed Project
      https://www.pro-touring.com/threads/...T-(Slow-Build)

    5. #5
      Join Date
      Sep 2004
      Posts
      11
      Thanks for the help. Got my car running. It was running rich so I adjusted the IAC steps (drivers side screw) down to approx 6, still running rich. I noticed that there are two idle adjustment screws, one on the drivers side and one on the passenger side. Do I have to adjust both?

    6. #6
      Join Date
      Aug 2007
      Location
      Jonesboro, Arkansas
      Posts
      2,506
      Country Flag: United States
      Look at your ecu settings before you start messing with the efi. Again, maybe call FiTech.


      Carl Wilson
      1968 Camaro - T-56 6 speed - 383 Stroker, 2014 Mustang GT seats. FiTech EFI, Tanks Inc. Tank with Deutschwerks fuel pump.






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