2002 Nissan Altima "car mph decreasing rpm increasing" Questions

...car always levels at the 2500 mark, even when we drive at 80 mph, so does it have to do with a difference between stick shift and automatic engines or does my Nissan Altima have a problem? thank you. ...

rpm between about 45 and 65 mph depending on throttle application, it usually drops about 300 rpm when overdrive is engaged, if the rpm stays the same as speed is increased above 50 mph the O/D is not

...mph decreased I was driving and the rpm's decreased and the speed wouldn't go over 20. later in the day the engine light came on. I took it for an oil change a few days before but doubt that has ...

...mph decrease while driving my BMW 325xi the car will drive fine then after a while it will begin to experience high rpms and the speed will fall off to almost nothing. I have replaced the airflow ...

RPM at 45 to 55 MPH Cruising at a steady speed the engine surges. At a stop there is no surge, does not shift rough, and all gears are present. sounds a little like a cruise control problem. they used

car runs well gaining speed without hesitation once med. temperature is obtained up hill vechicle will hesitate unless acceleration is decreased momentarily, as though the engine is trying to catch up

...mph the meter begins to decrease and then it cuts off. The mechanic who replaced the alt said to change the battery also which I still need to do but he also said that it has was idling low and he ...

...mph the car will occasionally buck or have a slight hesitation. The other thing which I think maybe part of this is when I am sitting at a stoplight or in traffic the idol will kick up, run high for ...

...car. imagine cruise out of control.? ALL MODERN CRUISE CONTROLS ARE LOGICALLY STRICT. (LAWSUITS) CURES./CAUSES ALL.. All fuses checked good,cab and underhood. scan the obd2 port for DLC errors.bingo. ...

...MPH REP FRP(PSI) 78.61 (does this mean bad fuel pump or bad sensor?) FUEL SYS 1 OPEN FUEL SYS2 N/A 02S11(V) 0.845 ST FTRM11(percentage) 3.1 02S12(V) 0.925 02S21(V) 0.870 ST FTRM21(percentage) 3.1 ...