Transmision troubles Ranger xlt ext cab 1999 v6
 

Hi guys i have a problem with my ranger 99 xlt v6 3.0
The transmisión goes bad..when i select the drive "D" position it goes good so when the indicators its on 40 km/h my truck no be most that this velocity i try to put on the "2" position. And its goes better...so then the indicator of the overdrive goes to be on And off quickly ...can you help me ...what i do? Thanks so much.... If you help me coment in this post or send me a message at gabriel.gabo.gato2012@gmail.com