STP Ultra 5in1 Petrol System Cleaner 400ml

For over 50 years, stp has been trusted by mechanics and drivers all over the world to get the best out of their engine. Today, stp continues to be at the forefront of additive technology and has developed a versatile product to solve your fuel related problems. Stp ultra is considered the ‘rolls-royce' of additives, as it is a truly unique product in the category: a combination of high detergent additives with stp wearguard technology, corrosion inhibitor and power booster. So why use a fuel additive?. Additives are a relevant part of engine maintenance regime. Car manufacturers recognise that “clean engines = better performance”. Additives help keep vehicles running well, extends reliability, less likely to break down. Build up of carbon deposits can occur within 4,000 miles, no matter how new or old the car is. . Build up - injector cleaners. Clean fuel injectors are critical to vehicle performance. Deposits can affect spray pattern and flow rate. The spray pattern of fuel affects air/fuel mixing. Fuel may be in droplets that don't evaporate. Fuel may stick to the intake port and not be drawn into the combustion chamber. Clogging affects amount of fuel delivered, which results in inaccurate air/fuel blend.