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Description
4.9
55 ratings
5
4
3
2
1
Game changer
I have a 27 year-old 73 diesel excursion. I put this formula in my truck and the responsiveness is just brought it back to life so much. I’d recommend this to anybody.
Jason · 6 days ago
False claims
I decided to give Archoil a fair shot in my 2014 Ford F-350 6.7 Power Stroke after seeing all the claims about improved fuel economy, smoother operation, and overall performance. I ran the product exactly as directed for about a month. Unfortunately, I haven’t seen any measurable improvement in fuel mileage. My truck is well-maintained, and my MPG has remained essentially unchanged. I also didn’t notice any significant difference in power, throttle response, or engine smoothness. I’m not saying it won’t work for everyone, but based on my experience, it did not deliver the fuel economy gains that were advertised. For the price, I expected to see some noticeable results. The product didn’t cause any problems, but I can’t say I’d buy it again based on the results I’ve seen so far. Pros: Easy to use, no negative effects. Cons: No noticeable fuel mileage improvement, expensive for the results. Just one diesel owner’s honest experience. Your results may vary.
Jeffry · June 7, 2026
Diesel Fuel System Cleaner
My use of the Diesel Fuel System Cleaner was on a 2014 VW Jetta belonginf to one of my daughters. She had gone way over an oil change, had engine light and DPF light on the dash. I ordered two bottles of the cleaner and had her start with adding this to her fuel. Her daily trip to work is 3 miles and the car isn't getting hot enough, so I took over and started to put it through some longer interstate drives. While I was able to get all the engine codes corrected ( sensor replacement ), the DPF was still on after 3 tanks of fuel, the next tank I used 2 bottles, and then I refilled with 6th bottle. She has been driving for a few days and texted me that the light finally had gone out and been off for two days. When I had the car, I was montoring the regeneration and all was working. I give this product 5 stars as it really had it's job cut out cleaning her filter.
Steve · May 31, 2026





