If your Ford Aerostar sputters at high speeds, you might have a problem with the fuel injection system or with the fuel filter. You could also have water in the fuel lines, bad gas, or even a spark plug fouling issue.
chances are both. the high sputter is probably the bendix. you can have it checked at advance or auto zone
There are a few ways you can tell if you have a bad fuel pump. These are is the engine sputters at high speeds, vehicle loses power while accelerating, or the engine will not start.
what year is your car and engine cylinders
ford mondeo no question about it the almer is always so stiff at low speed and vibrates at high speeds
low oil low radiatio flued or the thermistat
the brake rotars are out of round or warped.have them machined
Games at High Speeds was created in 2003.
check the rotors they could be warped
On the Ford 4.0 liter OHV , V6 engine the PCM starts cutting the fuel back at 5200 RPM in order to protect the engine when it is IN GEAR I believe it does it at 3000 RPM when there is no load on the engine ( park / neutral ) ( if that is what you mean by high speeds )
Resistor on the heater blower motor has failed
Why wont my 1994 Ford Taurus GL 6cyl Auto transmission shift into third(high) gear. It will only reach speeds of about 35mph +/-
Because your motor is spinning faster at higher speeds causing higher rpm's