The mass air flow or crankshaft position sensor may fail causing the engine to stall intermittently. Proper diagnoses will be necessary to determine the cause of any stalling condition.
Resources for the Repair and Maintenance of your 1991 Buick LeSabre
1991 Buick LeSabre
1991 Buick LeSabre Problems
The intake manifold gasket can develop external engine oil leaks. The intake manifold will need to be removed and the gaskets replaced to correct this issue.
The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.
The water pump may develop a coolant leak resulting in an engine overheating condition.
The front struts may show signs of wear, or be excessively bouncy ride at freeway speeds. This may begin to occur at around 75,000 miles.
1991 Buick LeSabre Questions and Answers
I have to put water in radiator every morning. Car doesn't run hot. But you can see the water coming from the left side of the engine where the plugs go in at. I haven't been ablt to get ...
how do i repair or install electric power window motor front passanger side
Right turn signal works , but not left one.
I've tested the starter and the alternator out at the mechanic shop, but they said that it's working fine. I also changed the battery and still my car don't start.
1991 Buick LeSabre Reviews
mybe you can tell me how to get the window panels off for I can fix them myself other thin that I don't have that much the my car it's good on gas and everthing.
power window units front and rear had to be replaced, not under warranty. 2001 LeSabre Custom only 68,000 miles transmission problems, no reverse happened thhis date 7/10 09