Your o2 sensors are on the exaust manifolds, if you slide under the truck with a flashlight and look up at th manifolds were they come out of the engine you will see each manifold has a sensor, also check with your Toyota dealer, because there was a recall on these sensors that melted in to the manifold. They replaced mine for free.
what is the heat sensor for a 2000 toyota tundra 4.7 lite truck.
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Fuse box by the battery
On exhaust pipes before and after cat. converters.
location
What is stereo wiring color code for 2000 Toyota tundra?"
Left side (drivers side) exhaust manifold. Between the exhaust manifold and catalytic converter
Fuel filter is located on Driver's side of engine compartment
A/F sensor are located in each exhaust manifold, O2 sensor After catalytic converter on exhaust pipe
12x1.50
Behind the battery
the coolant sensor is at the back of the motor on the passenger side