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It's not a dummy valve. What we are doing is unplugging the main mod solenoid which controls line pressure and plugging in another identical solenoid into the harness. This will raise line pressure to a constant 250 psi and satisfy the TCM which will be firing the dummy solenoid and not set off a CEL.
Just had the EPC fooler installed on my 16 2500. My trans temp did in fact go up drastically. Where do you recommend putting your trans fluid at 200 degrees? I attached a picture of my fluid level (in red) at 200 level & truck running. I hit 200 dry (not pulling) which I know is not alarming but I do have a RV & do not want to push my limits temp wise. Any help would be much appreciated.
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