Windows, power locks, manual locks, doors, trunk, tailgate, mirrors, power and manual seat controls, seat belts, sunroof, convertible top, glass defects.
N/A
No major problem has been reported
Brake pads, brake rotors, brake calipers, anti-lock braking system (ABS), brake lines, brake master cylinder, brake booster, parking brake, brake sensors, regenerative braking system (if applicable).
The 1999 Buick LeSabre seems to have a recurring issue with its fuel level sensor, which can be a bit of a headache for owners. This problem often leads to inaccurate fuel readings, making it tricky to know when to fill up. While it’s not the end of the world, it’s definitely something to keep an eye on if you’re considering this car.
The 1999 Buick LeSabre is known to have some issues with the transmission pressure control solenoid, which can lead to erratic shifting. This problem can be a bit of a headache for owners, as it affects the overall driving experience. While the LeSabre is generally a reliable car, this particular issue is something to keep an eye on if youre considering buying one or already own it.
The 1999 Buick LeSabre has some issues with the heating and AC temperature and air delivery mode door actuators, which might fail over time. This can lead to problems with controlling the cabin temperature and airflow, making it a bit of a hassle, especially during extreme weather. While it’s not a deal-breaker, it’s something to keep in mind if you’re considering this car for its overall reliability.
The 1999 Buick LeSabre is known to have some reliability issues, particularly with engine stalling due to problems with the mass air flow or crankshaft position sensors. These sensor failures can lead to unexpected engine shutdowns, which can be frustrating and potentially dangerous if not addressed promptly. While the LeSabre is generally a solid vehicle, keeping an eye on these components is crucial to maintaining its overall reliability.
The 1999 Buick LeSabre seems to have some issues with its anti-theft system, particularly with the raised-chip key, which can prevent the car from starting. This problem can be pretty frustrating, especially if you’re in a hurry and your car just won’t cooperate. Overall, while the LeSabre is generally a reliable vehicle, this specific issue with the anti-theft system is something to keep an eye on.
The 1999 Buick LeSabre is generally a reliable car, but one common issue that pops up is the check engine light coming on due to a loose or faulty gas cap. This problem is usually easy to fix by simply tightening or replacing the gas cap, so it’s not a major concern. Overall, while it’s a bit of an annoyance, it doesn’t significantly impact the car’s reliability.
The 1999 Buick LeSabre is generally a reliable car, but one common issue to watch out for is the intake manifold gaskets developing engine oil leaks. This problem can lead to oil seepage and potentially more serious engine issues if not addressed promptly. Regular maintenance and timely repairs can help keep your LeSabre running smoothly despite this known issue.
The 1999 Buick LeSabre is generally a reliable car, but one issue to keep an eye on is the potential failure of the Engine Control Module (ECM). If the ECM fails, it can lead to various engine performance problems, so it’s something to be aware of if you’re considering this model. Regular maintenance and check-ups can help catch any ECM issues early on.
The 1999 Buick LeSabre has a notable issue with hydro-lock caused by an internal coolant leak from the intake manifold. This problem can lead to significant engine damage if not addressed promptly, impacting the overall reliability of the vehicle. While the LeSabre is generally known for its comfortable ride and durability, this particular issue is a critical one to watch out for.
Cruise control, keyless entry system, push-button start, wiper motor, warning lights, power mirrors, interior lighting, exterior lighting, dashboard indicators, electronic parking brake, tire pressure monitoring system (TPMS), alarm and security system, remote engine start, heated and ventilated seats, heated steering wheel, wireless charging pad.
The 1999 Buick LeSabre is generally a reliable car, but one common issue to watch out for is the front struts wearing out around 75,000 miles. This isn’t a deal-breaker, but it’s something to keep in mind if you’re considering buying one or if you’re approaching that mileage. Regular maintenance can help mitigate this problem and keep your ride smooth.
Dashboard rattles, squeaks, wind noise, door seals, weather stripping, water leaks, air leaks, excessive road noise, suspension noise, drivetrain noise, exhaust rattles, engine bay noises.
The 1999 Buick LeSabre is generally a reliable vehicle, but one issue to keep an eye on is the water pump, which may fail prematurely. This problem can lead to overheating if not addressed promptly, so it’s a good idea to monitor the cooling system regularly. Overall, while the LeSabre has its quirks, staying on top of maintenance can help keep it running smoothly.
No major problem has been reported
The 1999 Buick LeSabre has a known issue with the ABS light coming on due to a failure in the pressure modulator valve assembly. This problem can affect the overall reliability of the vehicle’s braking system, potentially leading to safety concerns if not addressed. While the LeSabre is generally considered a dependable car, this specific issue is something to keep an eye on if you’re driving or considering buying one.
The 1999 Buick LeSabre has had some issues with rusted brake lines, which can be a significant safety concern. This problem might affect the overall reliability of the vehicle, especially if you’re driving in areas with harsh winters or where roads are heavily salted. It’s a good idea to keep an eye on the brake lines and address any rust issues promptly to maintain safe driving conditions.
The world's top supplier of programmed OEM (Original Equipment Manufacturer) Powertrain Control Modules (PCM), Engine Control Modules (ECM), Injection Control Modules (IDM), Body Control Modules (BCM), Transmission Control Modules (TCM), Engine Control Units and all other car control units. With over a decade in the business, we are the most reliable source when it comes to programming services for replacement engine control modules.
Pressure loss on your vehicle? U3576 flags a Stack Differential Pressure Sensor circuit fault—possible HVAC failure. Scan, inspect wiring, replace sensor.
Coolant mixing valve sensor fault lights up on your vehicle—risking overheating. Scan U3575, test the sensor, and promptly reprogram or replace it.
Coolant temperature spikes or no heat in your vehicle? U3574 signals a faulty Coolant Mixing Valve—run a module scan and arrange reprogramming or replace.
Engine overheating or coolant warning on your vehicle? A faulty coolant mixing valve control circuit can cause temp loss—scan, reprogram or replace now.
Temp gauge spikes and overheating on your vehicle? U3572 means Stack Outlet Coolant Temp Sensor 2 circuit fault—scan or replace to prevent engine damage.
Temp gauge spikes and overheating in your vehicle? Faulty Stack Outlet Coolant Temp Sensor 1 can overheat engine—scan circuit and schedule module repair.
Coolant temperature warning on your vehicle? A Stack Inlet Coolant Temperature Sensor Circuit can cause overheating—scan, test and replace/reprogram.
Warning light or loss of power from your vehicle’s Anode Multifunction Valve? It threatens system reliability—scan the code and replace the valve promptly.
Your vehicle flashes U3568—Anode Multifunction Valve control circuit fault, risking loss of function. Scan, test the circuit, then reprogram or replace.
Power loss or boost warning in your vehicle? A faulty Anode Inlet Pressure Sensor 2 circuit can trigger limp mode—scan, test wiring and replace sensor.
Fuel pressure warning on your vehicle? A faulty Anode Inlet Pressure Sensor 1 circuit can cause erratic fuel delivery—scan the code, test the sensor, an…
Hydrogen pressure warning on your vehicle? Faulty Hydrogen Supply Line A Pressure Sensor 2 circuit can cut fuel‑cell output—scan and replace the sensor.