Lucas Oil 10512 Deep Clean Fuel System Cleaner Performance Additive 16 Ounce

My brother is a transmission specialist of 25 years and had recommended this fuel treatment for my car being slow to start or dying on first start. After using one bottle, my car starts and stays running on the first initial start. Good stuff! Easy Peasy too!

This old guy told me one day that if you have a reliable car: always change the oil early and. More importantly always use a fuel system cleaner every time you get gas. The gas system is the blood of the beating heart that is your vehicle. The fuel system naturally will get impurities and gunk build up; therefore, using a simple fuel system cleaner and sticking with it will keep everything running for a very long time.

This product makes a significant difference in engine performance by raising the octane level and allowing the gasoline to burn more efficiently. Because our fuel supply for cars is diluted with alcohol by the manufacturers, our cars suffer with poor performance. Lucas Oil products help with mitigating this problem.

Look, I didn't expect much when I dumped this 16oz bottle of Lucas magic potion into my half-tank of gas. My old ride was running like it had eaten bad tacos—rough idle, occasional hesitation, and a check engine light that had been on so long it felt like family. I figured worst case, I'd have slightly cleaner regrets. But oh boy. After about 100 miles, it was like someone gave my fuel system a Red Bull IV drip. The idle smoothed out faster than my ex's apologies, the pinging vanished like it owed me money, and suddenly my MPG crept up enough that I could pretend I was saving the planet (or at least my wallet). The check engine light? Poof—gone, like it got embarrassed and left town. Is it snake oil? Maybe. But if this is snake oil, it's the premium, organic, cold-pressed kind that actually works. My engine purrs now, and I swear the exhaust smells faintly of victory and citrus cleaner. Pour it in every few months like a responsible adult, or whenever your car starts acting like a moody teenager. Bottom line: Lucas Deep Clean didn't just clean my fuel system—it gave my car a spa day and a pep talk. Highly recommend. 10/10, would pour again. My car even winks at me at stoplights now. (Use as directed, don't drink it, and no, it won't fix your life choices—but it'll sure fix your injectors.) 🚗

I've used a lot of fuel additives over the years, but Lucas Deep Clean really delivers. After running a bottle of this through a full tank, I noticed a distinct improvement in how smoothly my car idles and a much better throttle response. It really cleaned out the sluggishness. It's an easy, affordable way to maintain your fuel system and keep things running efficiently. Will definitely keep using this as part of my regular maintenance.

I bought this stuff to use in my fuel as an additive to help clean the injectors and keep the engine running smoothly. It was suggested by my son-in-law. Not only does the car run smoother after a couple hundred miles of running with Lucas oil, but I am getting 2/10 of a mile more per gallon in the city. I will use this about once a year.

One of the best fuel system cleaners you can buy. Lucas Oil products are always top quality in my opinion.

This stuff is magic. My mechanic told me to get it when my car was knocking and pinging and IT WORKED. I have been using it ever since.

Well, the first time I used it I didn't realize my gas should be low… but on both vehicles that I used it on the cars, he hesitated to start up two or three times afterwards. I had been told since it's cleaning the engine that may be some of the gunk gets in the gas?? so maybe next time it'll be smoother

Lucas products are trash. They are over marketed overhyped poison for your car or truck and their bottles are misleading as they advertise that their products are safe for basically any vehicle. This is not true in the case of certain vehicles such as my 2018 Chevrolet Colorado V6. I made the mistake of using a Lucas oil stabilizer as my truck was approaching 100,000 miles and it actually caused the check engine light to come on and I had to change the oil and almost had to change the timing chain sensor due to the oil being so thick it couldn't run through the sensors properly. Never again will I buy a Lucas product or any product that goes as an additive to my vehicle. These products are not recommended by manufacturers of vehicles. By the way they're just a gimmick they make you think your car is running better when it's not change your oil every 3 to 5000 miles faithfully. That's all you really need to do to keep the car going.