STP Petrol Injector Cleaner for Routine Fuel-System Maintenance
Injector deposits can disturb fuel delivery and contribute to hesitation, rough running or reduced efficiency. STP Petrol Injector Cleaner circulates with the fuel to clean compatible injectors during normal vehicle use.
The treatment is suitable for routine preventive maintenance and is easy to add before refuelling. Performance improvement depends on the type and severity of deposits and the overall condition of the engine and fuel system.
Key Benefits
- Helps clean deposits from petrol fuel injectors.
- Supports smoother fuel delivery and combustion where deposits are a contributing factor.
- Simple pour-in application with no dismantling required.
- 200ml bottle is convenient for a normal passenger-vehicle fuel tank.
- Suitable for scheduled preventive fuel-system care.
How to Use
- Confirm that the vehicle uses petrol and read the full product label.
- Add the complete bottle to the fuel tank, preferably before refuelling.
- Fill the tank to the treatment quantity stated on the label—typically about 50–60 litres.
- Drive normally so the treated fuel circulates through the system.
- Repeat only at the recommended interval or as advised by a qualified technician.
Ideal For
- Routine petrol-injector maintenance
- Workshop service packages
- Vehicles affected by minor deposit-related running symptoms
Package Contents
1 × STP Petrol Injector Cleaner, 200ml bottle
Safety and Care
Flammable liquid and vapour may be present. Keep away from heat, sparks and children; avoid eye and prolonged skin contact; and use in a ventilated area. Do not add to engine oil or diesel fuel. A fuel additive cannot repair failed injectors, pumps, sensors or ignition components.



















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