• Nov 30, 2025 mitsubishi 4g67 engine engine. Regular Service Intervals Oil Changes: Every 3,000 to 5,000 miles with high-quality oil. Timing Belt Replacement: Typically every 60,000 to 100,000 miles. Coolant Flush: Every 30,000 to 50,000 miles. Spark Plugs and Filters: Replace according to manufacturer’s schedule. Performance By Roberto Harber
