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I have been trying to get my 2016 df250 into iac fixed mode but it does not seem to work. I never get the buzzer and the SDS is showing the iac is not fixed at 30%. Not sure what I am missing on the procedure. I start the engine, let it warm up, shift into gear then Back to neutral. I turn the key to start 5 times in 10 seconds but nothing happens. Any idea what I am I missing? I also see the manual says to fully close throttle, is there something I need to do for the throttle to be fully closed? What should the TPS be showing for this procedure to work?
any ideas would be very much appreciated.
any ideas would be very much appreciated.