It has both.
you have to adjust the tps by loosing the screws and rotating it till it reads 0.50 volts [you need a scanner to do it]
On a 1991 Buick Skylark, the throttle position sensor (TPS) is typically located on the throttle body, which is part of the intake manifold. You can find it mounted on the side of the throttle body, connected to the throttle plate. It's a small component with an electrical connector and is usually accessible without needing to remove major engine components. Be sure to disconnect the battery before working on it to avoid any electrical issues.
On a 1998 Buick Skylark, the throttle position sensor (TPS) is located on the throttle body, which is situated on the intake manifold. To access it, you may need to remove the air intake duct. The TPS is typically mounted with screws and connected to the vehicle's wiring harness. Make sure to disconnect the battery before attempting any repairs.
How to install tps
I just purchased the throttle sensor for a 2003 Buick rendezvous and was wondering if anyone could tell me where it located and how easy is it to put in.
throttle position sensor believe it or not!
let a shop do it be cause it will has to be udjusted it will run about 60 dollars
On the trans.
I took it to a shop. It was the crankshaft position sensor.
"http://wiki.answers.com/Q/Where_is_the_crank_sensor_on_a_1990_2.5_buick_skylark"
Somewhere on the exhaust system. LOOK
will the fenders from a 1971 Buick Skylark Custom fit a 1972 Buick Skylark?