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

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Lucas Oil Deep Clean Fuel System Cleaner, 5 oz (10669)

Lucas Oil Deep Clean Fuel System Cleaner, 5 oz (10669)

Product ID: 724828362

Details

Brand
Lucas Oil
Contains Liquid Contents
Yes
Global Trade Identification Number
Item Volume
155
Item Weight
127 Grams
Manufacturer
LUCAS OIL

⛽5 oz precision dose

⚙️Deep cleans fuel injectors

🇺🇸Made in USA quality

Description

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

DEEP INJECTOR DETOX - Removes harmful deposits to restore peak fuel efficiency
PRECISION 5 OZ FORMULA - Optimized dose for maximum engine impact without waste
HIGHLY RATED BY DRIVERS - 4.7/5 stars from 441 reviews—join the satisfied pros
BOOSTS ENGINE PERFORMANCE - Feel the power surge with every tank treated
TRUSTED AMERICAN CRAFTSMANSHIP - Proudly made in the USA for superior reliability

Lucas Oil Deep Clean Fuel System Cleaner is a 5 oz liquid additive designed to remove deposits from fuel injectors and improve engine performance. Made in the USA, it delivers a precise dose that enhances fuel efficiency and engine responsiveness. With a 4.7-star rating from over 400 users, it’s a trusted choice for maintaining vehicle health and maximizing power.

Specifications

ASIN	B006U5SAI8
Brand Name	Lucas Oil
Container Type	Can
Contains Liquid Contents?	Yes
Customer Reviews	4.7 4.7 out of 5 stars (507)
Global Trade Identification Number	00049807106690
Included Components	Deep Clean/24x1/5 oz
Item Type Name	Deep Clean/24x1/5 oz
Item Volume	155 Milliliters
Item Weight	127 Grams
Manufacturer	LUCAS OIL
Model Number	10669
Number of Items	1
Part Number	40669
Size	5.25 Ounce
UPC	049807406691
Unit Count	1.0 Count

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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.

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