It does the job. I put it in, left the engine idling for 5 minutes, and then went on a trip. I didn’t notice any fuel savings; I just use it to clean the system. In an Opel Mokka 1700 diesel

Good, but not for 2000 km. One fill-up and trip. Yes, indeed it gave me more km on my TDI. However, its duration is short; as I said, it's good for one full tank, then the engine returns to its old consumption.

Very good, I put it in a Mercedes W176 diesel. I saw savings in diesel consumption and a quicker response from the accelerator. Also, some minor jerks that the car rarely made disappeared. It seems to work. I will take it in September for service, so I will wait to learn more from the technician. They recommended it to me both from EKKA and from Ismailo to use it every 2000 kilometers.

I used it without having any issues with my cars.
One is a Golf VII 1.6 115hp with AdBlue and the other is an Amarok 2.0 179hp.
I didn't have increased consumption (before) and fortunately no strange warning lights (before and after)...
Maybe I have a slightly better throttle response but it could just be my imagination...
I read the good reviews and bought it, I hope it helps...

The product is very good but if the injectors are cleaned and adjusted you will not notice any difference!

It does what it promises, but not for 2000 kilometers!! For one trip and one fill-up, it's just right!! 3 stars for the misinformation!

It definitely helps with many issues, so it is rightly sold as a general additive.

Both as an injector and pump cleaner, and for the quality and stability of the fuel after periods of inactivity. It reduces or even eliminates random check engine lights from injector return, etc., better than products sold exclusively as cleaners.

If you add it before refueling and a highway trip, it noticeably lowers consumption.

My car is Euro 4 without a DPF, so it rattles and vibrates like a tractor, and it can even burn cooking oil, so you can't notice a difference in engine operation at idle. In something more modern, maybe the difference is immediately noticeable there.

In any case, for 6-7 euros every 3000km, even if it's almost a placebo, I recommend it.

I used it preventively on a Toyota Yaris D4D with 255,000 kilometers, in which I only use enhanced diesel and I have no issues (e.g. smoke). I didn't notice any difference in acceleration, but the engine runs more quietly while the already low consumption decreased even further.

After testing, I think it deserves 5 stars. I didn't notice any difference in consumption. However, as soon as I put it in, it was as if the revs dropped, the engine noise stopped. And the most extreme thing was the increase in acceleration. I will use it again as no cleaner has ever been used in my 300,000 km vehicle.

I haven't seen a difference. I tried it and drove on open routes so that it could also allow for prolonged burning.

Perhaps the most popular diesel enhancer. It raises the cetane by 2-3 points, resulting in better combustion. I have noticed that this results in more kilometers before the DPF needs regeneration. Skoda Kodiaq 2.0 diesel.

A notable company with a big name in cleaners and oils. I noticed a change, let's say a smoother idle burn and better pickup. I used it more for preventive reasons

5 out of 5 does an amazing job, stopped the smoke from the exhaust that was coming out like a chimney, gave a noticeable boost to acceleration and its biggest advantage significantly reduced consumption in noticeable areas and not just a few kilometers which might have been my imagination. The product was actually used on a 2003 Toyota Hilux diesel. It worked wonders for me

In a 2008 Nissan Qashqai 1.6, the first time I used it and was going on a trip, I couldn't hear the engine at all during the drive. When I stopped, the tachometer was the only thing that revealed the engine was running. It definitely improved the already low fuel consumption a bit. The car had better response when pressing the pedal. However, the complete transformation occurred when I also added a LIQUI MOLY 3721 CERATEC to the engine (with an oil change), which leaves a ceramic material film in the engine and allows it to glide much more easily. It's a bit more expensive; I bought it for 22 euros, but it lasts for 50 thousand kilometers. I think that since I can't change cars every 5 years, it's the best I can do.

Well, at first glance, it is a good product. I put it in the tank and entered the Attiki Odos. It dropped the average consumption by 3 units, from 5.1 to 4, Renault Clio dci 2017. It gives a noticeable boost to the car, it drives better.

A good oil additive that keeps the injectors clean. The best part is that I emailed the company regarding the correct amount I should put in my tank, and they replied the next day with precision and responsibility. Kudos to the managers and their technicians.

In Renault Captur dci I have used many additives of the same philosophy. Having done less than 140,000 km, the car is meticulously maintained every 7500 km with an oil change and every 2000 km an additive is added to the tank. However, this additive is different from the others. Initially, the engine runs more quietly. It performs better with half a tank, whether it is below zero outside or scorching hot. Fuel consumption drops by about -1 liter (I compare it with trips because the car only does long trips and is not used in the city at all). It has better response to the gas. And with a visit to my mechanic, the dpf is in new condition. I wouldn't change it with any other and I have tried many from different companies. I recommend it!!!

In Giulietta 1.6 Jtdm 120hp, with a slight rattling noise and high revs in neutral, Liqui Moly worked wonders. With the first fill, and after 2 more fills, just a small bottle and the car calmed down and returned to normal. Of course, I will be using it frequently now. I believe the cost is minimal for what it offers.

I put it in a Toyota Yaris 2015.
After a few hours, I saw good performance in the engine and it plays a big role in what fuel someone uses.

I used it in the ratio indicated and the results were smoother engine operation, especially in low ambient temperatures and when it is cold.
Furthermore, I noticed that the engine no longer "smokes" from the exhaust during acceleration.

I will not include how good the product is.
I didn't see a real difference in fuel consumption, but I did see a difference in noise and flexibility!
So that's why I'm buying it for the 3rd time.
It was tested on a Megane 2, 2002, 1.5DCI, 82HP.

The product was used on an Alfa Romeo Giulietta jtdm-2 with 54000 km, which had a significant instability at idle from a cold start. The problem was resolved immediately. From now on, I will use it every third fill-up

I used it preventively without having any problem. The only visible result is a slight decrease in consumption. So I believe it did something. Time will tell if all these additives do what they promise! For now, I would say it is honest and does, as far as can be determined, the job it promises.

Guys, I don't know about all of you who say that you see various (noise reduction) during startup, I put it preventively and well after all these comments and I didn't notice any difference (yes, I did it preventively, I hadn't noticed anything in my car).
But the big problem I saw is that the car smells like diesel as if it's Euro 4 or as if I have done a DPF delete, while before all these years it had never smelled... I don't know what to say and what's happening, but we're talking about a bad smell and it's not just my idea, many people tell me that it smells.
So, use good quality fuel (which I always used and still use) and leave the additives.
P.S. The car passed the inspection during the time I used the additive and they didn't tell me anything or make any mention on the paper (but I didn't tell them anything about this smell issue either)

A bottle at 45 liters. Noticeable difference in engine noise, especially during cold start. Also visible difference in fuel consumption.

It was tested on 2 vehicles,
Volvo v40 D2 1.6Diesel (2015) with 120,000km
Smart diesel (2012) with 240,000km
In the Smart, a better idle was observed, smoother engine operation, and a decrease in fuel consumption (it dropped to 2 bars from full after about 600km), usually it dropped to 2 bars at 500-530km.
In the Volvo, I did not notice a difference in the engine sound but I saw a difference in fuel consumption. It dropped from 5.3 to 4.9 liters.

I should note that I only use EKO AVIO or Shell V-Power Diesel.

I had tried them in the past, they are worth using every 3-4 months

It seems to do what it promises. It has already been used 3 times in a Peugeot 208 model 2015 with a 1.4 HDi engine. The kilometers were made on a trip. The first time, the reduction of the engine's rattling was evident and it became quieter. On the third time, I also noticed reduced consumption in combination with passive regeneration that I did a few kilometers before (DPF at 166,000 km). Consumption dropped to 5.1 liters/100 km from 5.4 liters/100 km. Speeds ranged between 120-160 km/h with medium load in the car. I will continue to use it based on the manufacturer's instructions as well as upon the recommendation of my mechanic, with the justification that the diesel in Greece is of poor quality and contains a higher percentage of biofuel than the standards dictate.

I have used it on a Fiat Doblo 1.3 diesel multijet and on a Renault Kangoo 1.9. I noticed an improvement in the engine's performance from the very first use.