fordparts.com shows the battery group size as being ( 56 )
Right in front of the battery, between the battery and radiator.
Anyplace that sells batteries can tell you the correct size you need.
Disconnect the negative battery cable for 30 minutes.
For a 1994 Ford Ranger , 3.0 liter V6 engine : ( 5W-30 is the PREFERRED oil )
yes
If you are debating on whether or not you want to buy a Ford Ranger, then it is useful to know the engine size. The Ford Ranger is available, with a V6 engine.
Never disconnect a battery while an engine is running!
Probably at the rear lower end of engine--follow the + battery cable
Look on the lower rear end of engine - follow + battery cable on the passenger side underneath the engine.
Should be able to reset it by disconnecting the negative battery cable from the battery for ten minutes.
Remove the negative battery cable fromthe battery and let it set for about 30 minutes.
According to the 2000 Ford Ranger owners manual: ( 5W - 30 ) for your 2.5 L four cylinder engine