Because your in 4 wheel drive mode? Switch and or linkage out of adjustment. Bad switch. Bad Relay. Grounded circuit.
the stock Toyota gear ratio is 4.11
4wd or 2wd?
4.5 quarts.
above the starter
Yes.
The ECM (computer) is located on the passenger side kick panel!
no the body mounts are different
no
Yes it is. 2wd must stay with 2wd and 4wd must stay with 4wd. 6cyl ones must stay with 6 cyl ones. The 96 though will need to transfers it's Speed sensors to the older transmission.
Get a shop manual for about $18 and it has pictures and everything.
Freeze Out plug, cracked block or waterjacket.
Uder the dash near the steering colmn. It looks like a flasher.