What is the spark plug gap for a 1999 Isuzu Trooper?

The spark plug gap for a 1999 Isuzu Trooper is typically set at 0.040 inches (1.0 mm). It's important to check the owner's manual or a repair guide for specific recommendations, as gaps may vary slightly depending on the engine type. Always ensure that the spark plugs are properly gapped before installation for optimal engine performance.