2005 Chevrolet Trailblazer Q&A

2005 Chevrolet Trailblazer Question: RPM moves speed goes till 80km.

My car RPM moves but car can't pick up some time goes till 60 what is the problem -
Answer 1
Sounds like trans.trouble. -
Answer 2
have some one scan trans sensors and sloenoids like aamco with there free diag -
Comment 1
today I will go for scan let see! The mechanic replace Gear Oil and GearOil Filter -