CorvZ061 Posted July 20, 2015 Report Share Posted July 20, 2015 Recently replaced master cylinder and booster on my 2008 Edge. After replacing the booster and master the car has an intermittent problem with the torque converter not locking up on the interstate. I fail to see a relation other than the brake switch on the pedal, the brake light go on and off as they should, as well as the shift interlock works as it should has well, which leads me to believe the switch is fine. Any ideas what to look at next? No check engine lights are on, to codes are stored in the PCM at all as I know some don't illuminate the MIL. Quote Link to comment Share on other sites More sharing options...
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