i have a 92 automatic, though. u may want to go on the net and look the part up so u know what it looks like for your car and transmission. there r many different ones. they r positioned in the oddest places. here is where mine is located.. passenger side, rear of engine on the tranny. find the radiator hoses and follow them to the thermostat housing. mine is located around there. i think beneath it? i changed it like 2 or 3 yrs ago. should have 2 narrow, power steering hoses coming off of the top of it.. triangle shaped, black colored part for my car, that plugs in. i think its 2 bolts that hold it on.

if u see the part on the net then it will be easier to find it. in the mess of hoses and wires down there, go to the fender and its half way between the fender, where the tire ends and fire wall look way down. there will not be anything directly in front of u to block it so u can bend down and get in there.

u will need one of those wobble tools (cheap at autozone like $9 range) to get the drivers side bolt off. u can go between the small hoses from the side or the top. i used a wobble tool and got both bolts off from the passenger side. u can go between the hoses on top if u wish. u wont need to take off the intake or any hoses, as some people have described.

when u get it off pay attention to how the pin fits in the center of the sensor. make sure u put the new pin in the new part the same way. dont let it drop. that is the hardest part of putting the sensor on. lining up the pin to the hole without the pin falling out, then putting the bolts back on. i use my fingers to feel the bolt holes. it is tight in there around the actual sensor..very easy to replace.