2000 Ford Crown Victoria "jerking 40 mph" Questions

...40 mph jerks at 40 mph and really want to know what it is sound like torque converter problems.scan it to check torque converter.make sure it is applying and releasing .if not you got a bad torque ...

...40 mph too and it seems to be when I accellerate. Also, turns off the Cruise Control if its on when it jerks. It jerks, the rpm's don't jump. It just jerks out of nowhere for a second then it's fine. ...

...jerking (as if having trouble switching gears) between 40 and 50 mph Bring it back to the transmission shop and have them test drive it with the scanner to see if the Throttle Position Sensor (TPS) ...

...jerking when driving at speeds over 40 mph. It may run fine for days, but when the jerking starts its terrible. Never does it when accelerating or coasting and mileage has decreased. Any ideas? ever ...

why does car start pulsating /jerking around 40 mph -60 mph Tires need alligned or you have a wheel bearing going out, or you can check your tierods for play or stabilizer bar

...40 mph to 60 or so mph You could have a misfire ! ignition system problem . Is the vehicles check engine light on steady of flashing ? I suggest you take it an have it checked out . If it gets bad ...

jerking problem VW beetle won't go above 40 mph - jerks like crazy....battery is fine, alternator is fine. Oxygen sensors were checked and replaced....still problem. did you check the pressures in and

...40-50 mph, automatic transmission and I have checked the fluid and the level is good. Any ideas? Not sure if your indicating a definite transaxle issue & only at 40 to 50mph Drag the brake while ...

...and a misfire but the problem is when im driving and the car gets to 30 40 mph it jerks and the car seems like its holdig back when im trying to accelorate need fault code to fix /post fault ...

my 2005 expedition jerks an clunks,an putts at 20-25 mph an then again at 40-45 mph When was it last serviced? Sounds a bit like the engine need some TLC?