Wynn’s Diesel Pre-Emission Test Treatment 500ml

Strong, specially formulated treatment to meet new emission testing regulations. Containing 4 specific emission reduction elements to reduce black smoke, exhaust emissions and soot particles.

• Specially formulated to pass new emission testing regulations.
• Reduces exhaust emissions and soot.
• Reduces black smoke.
• Improves combustion, engine performance and fuel economy.

Add one bottle of 500ml to the diesel fuel tank containing a minimum of 30 litres of fuel. Drive at least 50 km on the motorway before taking the vehicle to the official emission test. Can be used as a curative treatment in the event of an emission failure. For best results, use every 3rdtank filling and use 150 km before MOT test. Results may vary due to service history, vehicle age and mileage.