This is used for Marine Engines ie Mercury brand, in which they don't have o2 sensors. If your using it in a car, your wasting a ton of money vs STP or something and i will ruin o2 sensor on a car

Is this how they call quickleen lubricant

Hi too the best of my knowledge it is fuel system cleaner nothing more however it may have some lubricating qualities. I do know that it works well if you use it on a regular basis.I use quickleen 1 with every fill up along with stabil for marine use it helps keep the moisture out of the fuel system.

will this cleaner free up compression relies valves?

I use this more on the preventative side and not fixing carbon build up or other material build up. I do understand you can use a higher dose of this additive and run the engine at lower rpms to help eliminate some of the build up. All depends on how dirty your valves have gotten. I have been using this additive for the past three years or almost 1800 hours on my engine. I have never had any issues with build up.

Does it also act as a gass stabilizer for winter storage?

It is a fuel system and injector cleaner. I used Marine Stabilizer in my fuel tank for winter storage.

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D**R

Perfect perfect

This is just what my boat needed

9.04.2024

D**W

Works good

Keeps my 9.9 idling smooth

7.05.2024

F**2

good product

I use this as a preventative measure for my older outboard. Not Mercury. However, this product works fine for non-Mercury motors. No issues at all.

24.11.2023

J**M

Good stuff

Nice value

3.01.2024

D**C

Not sure

Added half to my 30 gal tank. Still checking it out

1.07.2023

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Brand	Mercury
Product Dimensions	20.32 x 17.78 x 20.32 cm; 322 g
Item model number	8M0047931
Manufacturer Part Number	92-8M0047931
OEM Part Number	8M0047931
Volume	355 Millilitres
Item Weight	322 g

Mercury Marine Quickleen Engine Treatment

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