The recommended spark plug gap for a 2005 Buick LeSabre depends on the engine it has. The LeSabre came with either a 3.8L V6 or a 3.8L supercharged V6.
You MUST check your owner's manual to determine which engine is in your specific vehicle.
The gap will be specified in the manual, and it's crucial to use the correct gap. Trying to find this information online without knowing your precise engine is unreliable and could damage your engine.
