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Your cart is empty.STP 1 Tank Tune Up is our most powerful fuel additive with the highest concentration of cleaning agents of any STP (R) 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.
T-Rex
Reviewed in the United States on September 19, 2024
Everything is going smoothly so far. My vehicle had some minor issues with acceleration, but no error codes were present, and there was no check engine light. This product appeared to have effectively resolved the problem. Time will confirm whether the acceleration issue returns.
John Knight
Reviewed in the United States on December 1, 2024
Easy to use. Cranks easier now. I added 2 bottles at once, shock and awe. It actually works great.
michael lawton
Reviewed in the United States on November 28, 2024
This product worked until I refueled . Maybe needed 2 ?
Michael Monroe
Reviewed in the United States on November 18, 2024
My vehicle didn’t have a codes or any lights on the dash on, but I had noticed that it was idling rough and seemed to hesitate on quick acceleration. I gave this a try and it seems to have worked everything out and my cars runs great. I’d say you’ll get your moneys worth and it’s pretty simple to use.
Unknown
Reviewed in the United States on October 28, 2024
Purchased this product with the intention of reducing hydrocarbons. A few benefits were actually noticeable after driving around for about 20 minutes * less hesitation at start up, smoother idle, smother acceleration, some noticable power increase. On a empty gas tank, i poured the entire bottle and then followed up by filling up my tank.
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