I just installed 4k governor springs in my 94 12v I set the 1 soft click and 1 hard click on both sets started my truck adjusted the idle up to 850 it starts and idles great but soon as I put it in drive the idle drops to 450 I had a few people tell me the tcc solenoid might be messing up and not letting-the torque converter unlock fully but i dont want to start replacing random parts can anyone help

 

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