first of all the 3.8 is a v6 second the o2 sensors (2 of them) are in the down pipes just before the catalytic converters
it's located on the firewall right in back of the intake
They always blow the head gaskets between 70 and 100 thousand miles.
The mass air flow sensor is located in the throttle body housing on the 3800 engine. There should be 4 screws that hold it down to the housing. Once they screws are removed, the sensor lifts off of the throttle body.
38L is 10.04 US gallons.
Five quarts including filter. My owners manual says 5.75, including filter. My experience agrees with the extra .75 quarts! :)
38L
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.
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 )
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.
on the crank behind the front cover
Not very easily if at all, and why would you want to?
A haynes manual...