There are many reasons, loose head bolts- improper torque sequence- improper timing of the camshaft-poor valve seal at the seat.
8.9 Quarts for a 1980 Toyota Pickup with a 20R.
The fuel filter is located on the firewall on a four cylinder 1995 Toyota pickup truck!
on the passenger side of the transmission
compression rings on pistons are worn out or broken
waths the wey to torque the cylinder head
shudafup
Check coil pack.
Chain
116hp stock
Try changing the ball joints
What about the master cylinder? They go out, ha. That's all I can help you with though.
1342 number one being the front cylinder