Discussion Starter · #1 ·
Does anyone have a problem similar to mine? I am not sure what is going on, but when I am on a very slight uphill grade or nearly level roads, essentially holding a nearly steady throttle at highway speeds, I will often feel a bump, and sometimes can see a very slight rise in RPM. The rise is about 100 rpm as far as I can tell. I know the MDS is supposed to be seamless when it de-activates, but I can't help think this might be what it is. It seems like either this, or a torque converter thing because it occurs under conditions where I have a very slight increase in torque occurring. It is the opposite of the problem I am about to describe, but what it feels like is with several vehicles I have had when the torque converter actually locks up when in the highest 2 gears, but occurs when needing marginally more torque, not less like this. I have also noticed these prior vehicles increasing rpm's enough that I could see it when the TC un-locked (200-300 rpm). I have tried to see it with the EVIC in diagnostic mode, but since I can't absolutely tell when it is going to happen, it's tough to drive and look at it at the same time, plus the RPM's are always varying up and down by about 50 or more rpm constantly, even in cruise control. I am just worried that it might be a sign of something worse to come in the tranny or ecm or something in the future. It does happen often enough to be a nuisance. How about it? Anybody else have this problem?