1998 Buick LeSabre Repair and Maintenance

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

1998 Buick LeSabre Problems

Engine Stalling Due to Mass Air Flow/Crankshaft Position Sensor Failure

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.

Heating and AC Temperature and Air Delivery Mode Door Actuators May Fail

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.

Transmission Pressure Control Solenoid Failure May Cause Erratic Shifting

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.

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1998 Buick LeSabre Questions

p0440 code (2 answers)

Tries to fire but won't go coil pack changed and either tryed no go ran b4 (1 answer)

Car started fine went 3 miles stopped missed before shut down came back just spins changed coil pack now getting more firing it seems tryed either no go why

heater blows cold front vents stopped working & temp rising a lil bit (1 answer)

Why has my heater stopped working blows cold but before it started that my vets weren't blowing out anything it was only working threw the defrost and floor t smelled a lil like radiator u no the maple syrup smell and temp usually on 200 but went up half ways which is not normal can up lease ...

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1998 Buick LeSabre Recalls

Recall 04V090000
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...

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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
1998 Buick Lesabre Custom - Piece of GARBAGE!!! Had to replace engine at 50,000 miles. Buick had to have their own Head Gasket!! Why? I have 1998 Chevy Lumina, 128,000 miles, starts right, up barely cranks over. The Buick, THEY HAD TO DESIGN THEIR OWN FUEL INJECTORS!! Couldn't use proven fuel injectors used in other 3.8L engines! Front sway bar snapped. Why? Both rocker panels are rusting out b...
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...

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