2004 Buick LeSabre Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Buick LeSabre

2004 Buick LeSabre Problems

Check Engine Light Due to Gas Cap Issue

Illumination of the Check Engine Light may be the result of a loose or worn gas cap.

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.

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.

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2004 Buick LeSabre Questions

my air won't work how do I fix it???? (2 answers)

the air in my car has gone out completely as of today. as of 2 days ago it would work 70% of the time but occasionally (like 30% of the time) when I would start it the air wouldn't come on until I hit a hard bump or braked really hard. I think it may be an electrical issue because there are o...

how can i tell what kind of intake gasket i need to change. (1 answer)

had it checked & was told it was the intake gasket. the water in jug goes away is way i had it checked. have to add antifreeze about every 2 days or 3.

Sometimes when I turn the key OFF the car continues to run as if it was still on (1 answer)

The car runs great, The steering wheel does lock when the key is off, but the rest of the car remains ON. I have to pull the IGN relay from fuse block to kill the ignition system.

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2004 Buick LeSabre Reviews

BEST CAR I'VE EVER OWNED. My Buick finally over 200,000 miles never gave me problems it has religiously been fully serviced at dealership. Never put a dime into minimal repairs got a 3800 V6 very nice car while still comfortable. I definitely would buy another Buick this car runs amazing went on several trips no problems. Has lots of spacious plenty of room it's a bigger car enough dimensions p...
Purchased this car when we were in MAINE.It was a program car from DETROIT,MI and had 5240 miles on it Rides like we are on a couch. Had to replace both front wheel Bearing Hubs and the usual Brakes.Gets great gas mileage 28-32 so can not complain for this size car. I now have 171,000 miles on it and hope to continue keeping it as compared to all these new cars all getting recalls.Best car I ...
Purchased used in North Carolina in 2008 (It was a NY car originally). Had 47,000+ miles then, has 311,000 now. Main problem is under body rust caused by salting roads) Most other problems caused by towing things since it does not have a towing package. Otherwise biggest problems are the front wheel bearings and o2 sensors, intake manifold will be another. So far it is holding up but is ...

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