Will gas mileage increase

Yes, I drive a 2020 Toyota Corolla SE and I race the engine a lot. I use this every time I do an oil change. My mileage is at 32k atm, but some gasolines I use aren't always the best. When I don't use Lucas my rpm when going on freeway speeds they sit at around 1,800 but when I use Lucas they drop down to about 1,000 rpm and it saves a lot of gas. Then again I keep up to date with the maintenance and I've been using Lucas since I got the car and this is my daily.

Would keeping this in the car in hot Texas heat be an issue?

OF COARCE ITS A DANGEROUS ISSUE !! Storing any flamable liquid in a car is very dangerouse , especially a hot car !! you put yourself at risk of combustion from the heat & also combustion if you get in a accident !! buy a tiny bottle of lucas fuel additive , its about 5.5 oz.s !! fill that up and insulate it in trunk to keep it cool . then when you fill up ? you will have a bottle ready to put in your tank !! instead of hauling around a gallon of the stuff .

Whats difference between this and the fuel treatment 5 oz

Their is no difference other than the packaging

Will it help remove P0420 code?

2 bottles of Lucas oil, one gas refill apart, helped with my P0420 Code on Infiniti QX60 engine light. With the 2nd bottle, the light was gone. It worked like a charm. I will continue to keep the fuel tank clean moving forward. Tip : don't wait for the fuel tank to be completely empty before you refill.

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Lucas Oil 10020 Fuel Treatment - 5.25 oz

Lucas Oil 10020 Fuel Treatment - 5.25 oz

Product ID: 228256350

Details

Brand
Lucas Oil
Liquid Volume
155
Package Information
Bottle
Vehicle Service Type
Car
Viscosity
15W 40

⛽Boosts MPG efficiency

🧼Cleans fuel system

⚙️Lubricates fuel components

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₩56604

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⛽ Power up your ride with Lucas Oil’s ultimate fuel care!

TRUSTED BY MILLIONS - 4.7-star rating from over 6,200 users worldwide
ENHANCED FUEL ECONOMY - Optimizes combustion for noticeable MPG gains
DEEP FUEL SYSTEM CLEANSE - Eliminates deposits for smoother engine performance
LOW SULFUR FUEL NEUTRALIZER - Prevents corrosion and fuel system damage
ADVANCED LUBRICATION FORMULA - Protects fuel injectors and pumps from wear

Lucas Oil 10020 Fuel Treatment is a 155ml premium additive designed to clean and lubricate your vehicle’s fuel system, neutralize issues caused by low sulfur fuels, and improve fuel efficiency. With a 4.7-star rating from over 6,200 reviews, it’s a trusted solution for maintaining engine health and boosting MPG.

Specifications

ASIN	B0006305RY
Best Sellers Rank	#52,829 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #67 in Petrol Additives
Brand	Lucas Oil
Brand Name	Lucas Oil
Container Type	Bottle
Contains Liquid Contents	Yes
Contains Liquid Contents?	Yes
Country of Origin	USA
Customer Reviews	4.8 out of 5 stars 6,394 Reviews
Global Trade Identification Number	00049807100209
Included Components	1 x Lucas Oil Fuel Treatment 155ml
Item Type Name	Fuel Treatment: 155ml
Item Volume	5.25 Fluid Ounces
Item Weight	3.2 Ounces
Manufacturer	Lucas Oil Products Inc
Model Number	LUC10020
Net Quantity	155.0 Milliliters
Number of Items	1
Part Number	10020
Size	155 ml (Pack of 1)
UPC	049807400200
Unit Count	155.0 Milliliters

Reviews

G**N

Waste of money

No noticeable change in the performance of my i20 diesel.

18.02.2021

M**R

worth it on a long run.

I am giving this 5 stars because I recently went on a long journey where I would be using a full tank of diesel, I did see an improvement in MPG and perforance but I won't be using it every week.

26.05.2026

T**I

Reliable Fuel Additive – Noticeable Difference in Performance!

I've been using Lucas Fuel Treatment on my 2011 Infiniti M37x, and it genuinely makes a difference. After just one bottle, I noticed a smoother idle and slightly better throttle response. It's great for keeping the fuel system clean, especially on older engines. Super easy to use—just pour the entire bottle into a full gas tank. It also helps with fuel economy over time and keeps the injectors clean, which is a big plus. Highly rated for a reason. It’s affordable, effective, and a must-have in my regular maintenance routine. Definitely recommend giving it a try!

19.04.2025

C**R

Best oil additive

I came across this product on YouTube from Auto edits. I liked what I had seen, so I bought this bottle to try. Well then I bought 3 1l bottles, then found the 4l bottle. I was very surprised. The engine revs from park stay the same when at idle then sliding into drive. It has more perk and even got more km in my last hwy drive. I'm very happy with product and highly recommend it.

28.05.2022

J**N

4 my Car only the Best!

The Product arrived a week earlier than mentioned by Amazon although it should have taken about two weeks with shipping i believe. So the "Lucas UPPER CYLINDER and Injector Cleaner" does exactly what it says in the description on the bottle. I have used this product so far in two different BMW engines: the M52B28 and the M62B46! Both engines are equipped With passive injection systems that deliver the Fuel into the intake-manifold right before the intake-valves. Both engines started to run a little smoother and quieter after about 35 to 50 km of regular driving. The engine response was a Lot quicker and in Terms of fuel economy in both Cars ist saved ne about 0,5 liters on 100Kilometers. Next time before i even think about replacing Injectors or Something Else in the fuel line (exept any sort of Filters of course) i'll try a bottle of Lucas and see what that helps. All in all i am very Happy that i found this product and that i can get it here on Amazon from time to time! Thank you for taking the time to read this reply, I Hope it helps!

22.04.2022

C**N

Excelente

Excelente, nota-se mesmo no rendimento do motor (carro gasóleo 2007)

3.07.2025

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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