Should be somewhere in the front bumper or behind it.
Throttle position sensor is located at the throttle body. There are only two sensors there. The one facing the firewall is what you are looking for.
On Camry 1998 all sensors are OBD 2 because it's a standard. You need to specify which sensor you are talking about.
Will a 1998 Toyota Camry motor fit in a 1999 Toyota Camry
where is the blend door machanism (acuator) located in my 1998 toyota camryalso how to fix
Under the hood
The 1998 Toyota Camry V6 has about 150HP
No, it will not.
Toyota Camry 1998 has a timing belt.
Brake system uses push one buttons (hand brake and pedal) and I think there is one a sensor attached to the brake fluid canister. Also, you might have ABS sensors that are located at each wheel.
It depends on number of cylinders the engine has. 4 cylinder engine has 2 oxygen sensors. V6 has at least 3.
how to removed charcoal canister for toyota camry 1998 6cyc
You can find the ECU behind the glove box.