10x STP Complete Fuel System Cleaner PETROL 400ml (4L TOTAL VOLUME )

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COMPLETE FUEL SYSTEM CLEAN – NOT JUST INJECTORS Advanced detergent formula delivers a deep clean across the entire petrol fuel system, removing deposits from injectors, intake valves and combustion chamber for full engine restoration. RESTORES LOST POWER & ACCELERATION Breaks down carbon build‑up that reduces performance — helping restore engine power, smoother acceleration and improved throttle response. IMPROVES FUEL EFFICIENCY & REDUCES EMISSIONS Cleaner combustion helps your engine run more efficiently, reducing fuel consumption and lowering harmful emissions over time. SOLVES COMMON ENGINE PROBLEMS Helps reduce rough idling, hesitation, knocking and difficult starts, keeping your engine running smoothly and reliably. EASY FULL‑TANK TREATMENT – GREAT VALUE One 400ml bottle treats up to 60 litres of petrol — simply pour into your tank for a complete system clean without tools or downtime.