Vehicles using M25/662 engine list:

Engine M25/662 commonly faces turbocharger wear, leading to reduced boost and power loss. Diagnose by checking for excessive smoke, unusual noises, or decreased acceleration. Prevent issues with regular oil changes using high-quality oil to ensure turbo lubrication. Another frequent problem is carbon buildup in intake valves, causing rough idling; use fuel additives or periodic intake cleaning to prevent this. Cooling system leaks can cause overheating; inspect hoses and radiator regularly. For solutions, replace worn turbo components promptly, clean or replace clogged intake parts, and maintain the cooling system to avoid engine damage. Regular maintenance is key to longevity.