My car only has a ten gallon tank. Would it be safe to add the whole bottle?

You can use the whole bottle, or make it go farther buy using half a bottle and two full tanks of gas

Does it work in diesels?

I would contact the company & ask them. Here is the link to their contact information: https://lucasoil.com/contact

Deep Clean Fuel System Cleaner 5 25 Ounce 10669

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

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Description

⛽ Clean fuel, cleaner ride — don’t let your engine miss out!

CRUELTY FREE FORMULA - Eco-conscious cleaning without compromise on power or ethics
POWER PACKED PRECISION - 5.25 oz bottle delivers the perfect fuel system cleanse every time
AMERICAN MADE ASSURANCE - Proudly crafted in the USA for trusted quality and performance
ALL PURPOSE COMPATIBILITY - Engineered to work seamlessly with all vehicle types and fuel systems
TOP RATED FUEL SYSTEM CLEANER - Ranked #9 in Automotive Fuel System Cleaners with 4.7-star user approval

Lucas Oil Deep Clean Fuel System Cleaner is a 5.25-ounce liquid formula designed to optimize your vehicle’s fuel system performance. Made in the USA with a cruelty-free, all-purpose formula, it safely cleans deposits to enhance engine power and fuel efficiency. Trusted by thousands, it holds a top 10 rank among automotive fuel system cleaners.

Specifications

ASIN	B006U5SAI8
Best Sellers Rank	#1,941 in Automotive ( See Top 100 in Automotive ) #9 in Automotive Fuel System Cleaners
Brand	Lucas Oil
Brand Name	Lucas Oil
Container Type	Bottle
Contains Liquid Contents?	Yes
Country of Origin	USA
Customer Reviews	4.7 out of 5 stars 558 Reviews
Global Trade Identification Number	00049807106690
Included Components	Deep Clean/24x1/ 5.25 Ounce
Item Form	Liquid
Item Type Name	Deep Clean/24x1/ 5.25 Ounce
Item Volume	155 Milliliters
Item Weight	127 Grams
Item form	Liquid
Item volume	155 Milliliters
Manufacturer	LUCAS OIL
Material Features	Cruelty Free
Material features	Cruelty Free
Model Number	10669
Number of Items	1
Part Number	40669
Scent	Unscented
Size	5.25 Fl Oz (Pack of 1)
Special Features	All Purpose
Specific Uses For Product	All Purpose
Specific uses for product	All Purpose
Surface Recommendation	Alloy Steel
UPC	049807406691
Unit Count	5.25 Milliliters

Reviews

A**I

Good

9.03.2025

L**G

No sé si funciono

Pues no me quedo claro si funcionó o no pero si note una respuesta más potente lo que duró el tanque con el botellín este

30.12.2019

T**N

My go to!

Load this up and run your car hot, good old Italian tune up. Use every 3 months or after using cheaper fuel or fueling up from sketchy gas stations.

5.12.2025

T**L

Good

28.10.2025

H**A

Solved My Check Engine Light

I had a check engine light on, and after using this cleaner, the problem went away. It was easy to use, and my vehicle has been running smoothly ever since. Based on my experience, I definitely recommend this product. It worked well for me and saved me from unnecessary repairs.

3.07.2026

C**R

Proper PEA fuel cleaner

Always buy a fuel cleaner that has P.E.A. In it. Otherwise wasting $$. This is the good stuff

13.07.2026

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Suresh K.

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

4 days ago

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€ 42.82

Duties & taxes included

In stock

Sold byAmazon FranceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.