STP 200ml Diesel Injector Cleaner

Available in multiples of 12 units:

• Unclogs dirty injectors in just one tankful
• Specially formulated for diesel engines
• Smooths out rough idling
• Restores power and acceleration

Specially formulated to help restore engine performance and efficiency by dissolving harmful deposits. 

It also smooths out rough idling, helps to reduce fuel consumption and exhaust emissions. The difference will, in most cases, be noticed within 50 miles.