Highly effective detergent additives in Liqui Moly Pro-Line Engine Flush cleans interior engine before oil change.
Add to engine oil before the oil change. Let engine run on idle speed for 10 minutes. Drain oil, change oil filter and re-fill with fresh oil of high quality. Contents sufficient for 1.3 gal (5 liters) sump capacity. Fully compatible with all commercial available engine oils.