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Your cart is empty.Without cleaning, deposits can lead to hard starts, lost acceleration and rough idling. STP Fuel Injector & Carburetor Treatment + Upper Cylinder Lubricant is specially formulated to maintain clean performance of fuel injectors and carburetors by helping to prevent the accumulation of deposits. It’s made with jet fuel, a high-quality carrier of active ingredients. Cap-less compatible.
Syed Rizwan Ali
Reviewed in Saudi Arabia on May 28, 2023
Received open itemSeal was brokenThrow item in garbage as cannot jeopardize my vehicle fuel system on open product
mralamri
Reviewed in Saudi Arabia on March 30, 2023
قديم لدرجة ان اللاصق اللي تحت الغطاء مفتوح والكمية في اسفل العلبة
Ashraf-1
Reviewed in Saudi Arabia on March 18, 2023
العبوات وصلتني منبعجة غالبا من سوء التخزين
Karim Alfishawi
Reviewed in Egypt on February 19, 2022
Must buy
rafael alvarez posada
Reviewed in the United States on March 16, 2019
good product
Jeremy Mitchell
Reviewed in the United States on March 25, 2017
Nice
Christopher L. McKinney
Reviewed in the United States on June 15, 2016
Make my car and truck run quite and better. But for my truck I need a 12oz bottle and the subscription doesn't have that option.Becareful running it with Shell Nitro gas makes the engine run rough and exhaust smell funny.
Anaconda
Reviewed in the United States on February 10, 2016
Cylinder misfire within a week of adding it in my Acura. Had to change ignitiion coil and spark plugs because of it. I read it online about similar complaints - (...) The car had new spark plugs done 20K miles before and barely a week into using this product, there is issue. OBDII code P0305 fire up. Avoid it!
Barbara Goins
Reviewed in the United States on February 15, 2015
This was recommended to me by my brother-in-law and it works fine. Will probably buy again
SinRVA
Reviewed in the United States on February 15, 2015
my brother is a mechanic and he says use this every year, so I do
omar
Reviewed in the United States on July 5, 2014
It is not that big of a deal i tried oryle octan booster i was much better for the milages
GMAshops
Reviewed in the United States on October 22, 2013
My car engine runs smoother and the gas mileage is better with STP78571. I like being able to order it online and have delivered once a month, it helps me remember to put in my fuel once a month.
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