They always blow the head gaskets between 70 and 100 thousand miles.
Yes , on a 1998 Ford Windstar the fuel pump shut off switch ( inertia switch ) is in the drivers footwell behind the kick panel by the drivers left foot , by the inside hood release ( there is an access hole in the panel )
haynes repair manuals are good but you can go to autozone.com and they have online repair manuels as well it a good site for a lot of information on repair work.
on the crank behind the front cover
it's located on the firewall right in back of the intake
Not very easily if at all, and why would you want to?
A haynes manual...
3.8 litres is fractionally more than 1 US gallon.
If the gauge is reading full (pinned as we call it) it can be a ground to the sending unit or the wire going to it is broken ,,this will cause this..Sending unit wires are on top of the tank some times you can see it (or the wires that go to it )test them there you'll need a good meter!!If you want to see what it looks like go to a parts shop and get them to show you one
Connect a diagnostic code reader to find out what's going on. That's the only way you'll know for certain. It could be something as simple as a bad air filter or oxygen sensor but the computer diagnostics will tell you what code has been stored.
You can safely put 2ml into the 10l aquarium
If you mean 3.8 Litre engine, the answer is 200 horsepower, from the factory. 225 lb/ft of torque.