Questions & Answers

Marathon® Gasolines with STP® Additives

Q Are the STP Additives in all grades of Marathon Gasolines?
A Yes, the STP Additives are in the regular, plus and premium grades of Marathon gasoline.
   
Q Are the STP Additives in Marathon gasolines exactly the same as the products found in retail stores?
A No, the STP Additives found in Marathon gasolines use a different formulation than the products found in the STP retail bottles. STP Additives in Marathon gasolines have been designed to deliver needed quality and performance for which the STP brand has become famous.

STP Additives in Marathon gasolines are formulated to improve the cleaning power of all grades of Marathon gasolines. Compared to gasolines using only the minimum EPA required dose of detergent additives, Marathon gasolines with STP Additives contain additional deposit control detergents. These detergents are designed to help prevent the buildup of performance-robbing deposits, thus helping to maintain engine cleanliness.

The bottled STP retail products are available in a wide variety of special formulations that are intended to provide specific benefits. For more information on the bottled STP retail products and what they can do for your vehicle, please go to STP.com .
   
Q What can the STP Additives in Marathon gasolines actually do for me?
A Marathon gasolines with STP Additives provide deposit control detergents that help prevent the buildup of performance-robbing deposits. Compared to gasolines using only the minimum EPA required dose of detergent additives, Marathon gasolines with STP Additives are formulated to help maintain engine cleanliness, tankful after tankful.
   
Q Will it help gas mileage?
A Deposits in engines can reduce fuel economy. Compared to gasolines using only the minimum EPA required dose of detergent additives, Marathon gasolines with STP Additives can help maintain fuel efficiency by helping maintain the cleanliness of an engine’s intake valves.
   
Q Will it help vehicle performance?
A Marathon gasolines with STP Additives can help control deposits on the engine’s intake valves. Compared to gasolines using only the minimum EPA required dose of detergent additives, Marathon gasolines with STP Additives help maintain vehicle performance and help prevent future deposit-related performance problems.
   
Q Do Marathon gasolines with STP Additives “cleanup” the vehicle’s engine?
A No, Marathon gasolines with STP Additives are designed to help prevent the accumulation of performance-robbing deposits. In some limited cases, Marathon gasolines with STP Additives may also help reduce some existing deposits left from the use of other gasolines using only the minimum EPA required dose of detergent additives.
   
Q How does it work with gasohol?
A Marathon gasolines with STP Additives will help control the formation of fuel intake system deposits from the use of Marathon branded gasohol as well as Marathon branded gasolines without ethanol.
   
Q Is it safe for my other engines – boat, lawn mower, snowblower, etc.?
A Marathon gasolines with STP Additives are safe for all 2- and 4-stroke gasoline engines.
   
Q Does Marathon own/make STP products?
A Marathon licenses the STP trademark from The Armor All/STP Products Company.

 

Updated: Monday, August 6 2012