JLM Engine Oil Flush is a powerful cleaner designed to maintain engine performance. It works quickly and gently to clean the fuel system, clear injectors, boost engine performance, and improve fuel consumption. It also cleans the diesel particulate filter. Always check this product is correct for your vehicle before purchase. We are dedicated to customer satisfaction with over 10 years of experience and offer free expert advice. All products are genuine UK stock, shipped from the UK, with a no-leak guarantee, free UK mainland shipping, and express shipping available. We also have a 60-day returns policy.