autozone.com has online manuals that give step by step how to
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.
I had the same problem with my 90 buick century, Replacing the temperature sensor did the trick, it is located above and behind the water pump.
code 26 buick 1990 lasabre limited
how much torque does 1990 Buick century 3.3 have
Just like replacing the windshield. Really not a job for a do it yourselfer unless you have the experience and the tools. Then I guess your not a D-I-Y'er.
The 1990 Buick Century has a timing chain and not a belt. No replacement is necessary.
Fuse box on 1990 Buick Centur is in dshboard by glove compartment
what is the wiring position for the ignition module on a 1990 Buick Park Avenue?
disconnect your battery and touch the cables together then let the car sit with the battery disconnected for 30min
Working It Out - 1990 Instructions 1-9 was released on: USA: 10 November 1990
from Ebay.com
yea it should