When I first start the car it idles at 1900rpm then drops down to 900rpm I can usually feel a small jolt when it goes into drive properly but when it goes into drive them limp mode there's no jolt. If I turn it off and restart the car all good. Noticed it only happens if the car is left idling in park then I drive. Once warm it don't happen again untill the next morning. I serviced the tranny about 3months 5,000klms ago with nulon fully synthetic. Just worried because the cars tuned with 300rwkw and stock tranny :(