STP® 1 Tank Tune Up™ Fuel Additive

Product Information

• Product Details

  

  STP® 1 Tank Tune Up™ is our most powerful fuel additive with the highest concentration of cleaning agents of any STP® fuel additive. Its proprietary blend is specially formulated to survive high temperatures in the combustion chamber, cleaning through the fuel intake system and the exhaust system, helping your engine run more smoothly and efficiently in a single use.

  • One 12 fluid ounce STP® 1 Tank Tune Up™ Fuel Additive reduces hydrocarbon emissions up to 50% and protects and maintains your catalytic converter
  • Reduces the release of harmful exhaust emissions into the environment
  • Cleans dirty oxygen sensors to help prevent failure and malfunction
  • Helps pass emissions test and improves fuel economy
  • Deep cleans fuel intake system including fuel injectors, intake valves, cylinder head and piston tops
  • Helps quiet rough running engines and eliminates hesitation and hard starts
  • Reduces knocking and cleans spark plugs