We don't have a lot of Buick LeSabre fuel system problems on file — feel free to add yours here. The most common LeSabre fuel system problems cost $700 to fix & occur at 88,000 miles. Click on a year below.

Worst Fuel System Problems
fuel line leaks where it connects to the engine 2002 Buick LeSabre
gasoline coming thru exhaust 1986 Buick LeSabre
check engine light 1999 Buick LeSabre