Oxygen SensorOxygen Sensor Location
The coolant sensor on a 1994 Buick Roadmaster is located just above the Harmonic Balance pully at about 2 oclock
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If the old oxygen sensor is no longer functioning properly and you replace it with a new one you will certainly save quite a bit of fuel.
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It is not an oil level sensor it is an oil pressure sensor. It just unscrews.
Powertrain Control Module (PCM)
front bottom of timing chain cover.
How to unlock a buick roadmaster
The 1990 Buick LeSabre oxygen sensor is located on the outside of the air cleaner housing. The oxygen sensor will be on the back side of the housing.
why is my 1995 buick roadmaster running hot
PCM Location where is the ecm or brain in a 95 buick roadmaster
where is horn relay on 1995 buick roadmaster