No
After consulting several sources, someone finally called a local Buick dealer who informed me that a 1990 LeSabre does NOT have a map sensor, it was the Mass Air Flow sensor that needs replacing.
with a filter change also, it will take 4 or 4.5 qts
on the exhaust
=on your head=
"http://wiki.answers.com/Q/Where_is_the_crank_sensor_on_a_1990_2.5_buick_skylark"
under the hood
The oxygen sensor is located on the exhaust manifold and is the only item on the exhaust with wires going to it.
replace the sensor which is usually in the rear diffrential or the transmission case
behind the engine
located on the exhaust manifolds
Maverick Sabre was born on 1990-07-12.