Vehicles using ARZ engine list:

Engine ARZ is known for issues like oil sludge buildup, turbocharger wear, and timing belt tensioner failure. Regular oil changes with high-quality synthetic oil prevent sludge and extend engine life. Monitor turbo performance; a drop in power or unusual noises may indicate turbo wear, requiring inspection or replacement. The timing belt and tensioner should be replaced every 60,000–90,000 km to avoid catastrophic engine damage. Check for coolant leaks and maintain proper cooling system function to prevent overheating. Early diagnosis via OBD scanning and attentive maintenance ensures reliability and longevity of the ARZ engine in these vehicles.