Mine did the same thing. After cleaning the fuel injectors and putting on a set of new sparkplug wires, the problem went away. and it could be 180 out of time. have it timed that might do the trick.
picture of engine of 1991 ford aerostar van
( there are 6 engine cylinders ) for the 1994 Ford Aerostar 3.0 liter V6 engine
Does it quit shaking when it warms up? What engine and year of Aerostar?
On a 1993 Ford Aerostar , 3.0L V6 engine : The distributor is located on the TOP of the engine , near the REAR
In a 1990 Ford Aerostar : You either have the 3.0 liter V6 engine or the 4.0 liter V6 engine from the factory ( each size of engine has 6 engine cylinders )
It appears that the Ford Aerostar with 3.0 engine does not have a crank position sensor, but the 4.0 engine does have one.
4 cylinder engine 4qts V6 engine with filter change 4qts Inline 6cylinder engine 6qts
No
A 1995 Ford Aerostar either has a 3.0 liter or a 4.0 liter V6 engine ( The 3.0L has the engine oil filter on the drivers side of the engine and the 4.0L it is on the passenger side of the engine )
On a 1997 Ford Aerostar : On the 4.0 liter V6 engine the oil filter is on the passenger side of the engine On the 3.0 liter " Vulcan " V6 engine , it's on the drivers side of the engine
Should be in a removable housing at the engine end of the upper radiator hose
Bank 1 is the passenger side of your engine in a 1996 Ford Aerostar