1991 Toyota 4Runner "4 runner rpms low" Questions

...4 runner with a 3.0 litre in itt when he is on the highway cruising around 60 to 65 mph. his R.P.M.s jump from 2200 to 4000 after about 2minutes driving. this is while on flat ground. I plugged in my ...

...4 Runner), and the automatic transmission is not responsive i.e. it does not shift down quickly. But the bigger problem is, that at higher speeds (80 kmph+) if i have the motor gunned, the auto trans ...

...4 runner. Can I check compressor 1995 4 runner ac blowes but not cold air, checked pressure of 134a and it is good. Is there a way to check the compressor? Well, for one with the truck idling, the ...