Vehicles using CNYA engine list:

Engine CNYA commonly faces issues with carbon buildup on intake valves due to direct injection, leading to rough idling and reduced performance. Diagnosis involves checking for misfires and performing a walnut shell blasting cleaning. Preventive measures include using high-quality fuel and regular intake cleaning every 60,000 km. Another frequent problem is oil consumption caused by piston ring wear; monitor oil levels regularly and address excessive consumption promptly. The timing chain tensioner may also wear, causing rattling noises; early detection via sound inspection and timely replacement prevent severe damage. Regular maintenance and timely repairs ensure engine longevity and reliability.