1998 Buick LeSabre Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1998 Buick LeSabre

1998 Buick LeSabre Problems

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.

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.

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

See more problems 19

1998 Buick LeSabre Questions

when the gauge shows 1/4 full; the Buick is actually out of gas.

When I am driving , the car is fine, but when you slow down and put on brakes to stop at an stop light it loses gas and battery goes down , to almost zero and then back to 13 or an little over. What can cause this?

Wondering if this could be the key and sensor problem. Have tried several other things and problem persists. Noticed that the ignition lock cylinder wires can break, but would it still crank and almost turn over?

See more questions 96

1998 Buick LeSabre Recalls

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL TO ENTER THE INTAKE MANIFOLD THROUGH A VACUUM LINE. IF THE ENGINE DOES NOT START WHEN CRANKED, T...

See more recalls 1

1998 Buick LeSabre Reviews

Ive had my buick for2years and i love it the only thing went wrong with mine is my transmission bolts fell out and had to fix air comming out of the egine BUT OTHER THAN THAT.1 HAD MY BUICK AT 94000 MILES and now its at 137000 miles and runs like a champ dontnoone got a better egine then 38 series buick i think its the best egine in the world. i love my buick

I bought a 1998 LeSabre 4 years ago with 60K miles on it. I now have 94K. The engine has been incredibly reliable. The only expense in 4 years was the serpentine belt at $125. However I have numerous problems. After running through a car wash I have a water leak but only on the driver side floor mat and only when it rains. Tried everything to locate problem to no avail. Horn relay stuck and now...

Buick 1998 Lasabre 160k miles EMISSIONS AZ Emissions +++ Emissions++++++++++ Arizona== Great used car but weird situation, it does not fail but it does not pass emissions. all lights on dash turn off after starting car so no problems according to car. inspections says: catalyst, EGR and evap system NOT READY and misfire, O2 sensor, ,heated O2, fuel system and component READY ...

See more reviews 8