The recommended spark plug gap for a 1997 Buick LeSabre depends on the engine it has. The LeSabre came with a few different engine options that year (3.1L V6, 3.8L V6).
You must check your owner's manual to find the correct specification for YOUR specific engine.
The owner's manual will list the precise gap recommended by Buick. Trying to find the gap online without knowing the exact engine is unreliable and could lead to misfires and engine damage.
