A high strength, super-concentrated cleaner specially formulated to remove deposits from diesel injection systems. Clears clogged injectors in just one tankful, quickly dissolving deposits to improve performance. For best results use every 3,000 miles. Safe for catalytic converters.
STP Diesel Injector Cleaner, used regularly, helps:
Restore power & acceleration
Smooth out rough idling
Clean and condition fuel delivery system
Increase fuel economy
Reduce exhaust emissions