What is the spark plug gap for a Cadillac deville 1997?
The recommended spark plug gap for a 1997 Cadillac DeVille is 0.040 inches (1.0 mm). However, always double-check your owner's manual or a reputable repair manual specific to your engine (e.g., 4.6L Northstar or 4.9L). The gap might vary slightly depending on the specific engine and spark plug type used.