You pour entire bottle into your gas tank, right before you fill up. Then fill up your vehicle with gas afterwards to top it off and give a good mixture. Then drive like normal.

I have a direct injector system in my Honda ridgeline will it clean it?

Thank you for submitting your question! the product is effective on all gasoline engines including direct injector engines. For any further information please reach out to us on 1-800-383-7323 or email us on customersupport@energizer.com to assist you better. Energizer Consumer Services

Will it work on a boat?

I don't know what kind of fuel you using on your boat but if is the same as the regular fuel we use in the cars you should be good to go. Something you need to do special mixes for small engines so make sure you double check.

Does this clean spark plugs?

Thank you for submitting your question! Yes, the product will clean spark plugs. For any further information please reach out to us on 800-776-1530 or autohelpline@energizer.com to assist you better. STP Consumer Services. Thank you!

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Ultra 5 in 1 Fuel System Cleaner by STP (R), Fuel Additive for At-Home Fuel Treatment for Vehicles, 12 OZ

Ultra 5 in 1 Fuel System Cleaner by STP (R), Fuel Additive for At-Home Fuel Treatment for Vehicles, 12 OZ

Product ID: 5838926

Details

Brand
STP
Item Form
Liquid
Material Feature
Unscented
Scent
Unscented
Specific Uses For Product
engines

⛽12 fl oz treats up to 35 gallons

⚙️3x cleaning agents vs premium gas

🛢️Use every 4,000 miles for peak performance

Description

⚡ Unlock Peak Engine Power & MPG — Don’t Let Your Ride Fall Behind!

EASY MAINTENANCE RITUAL - Just one bottle every 4,000 miles—simple, effective, and time-saving.
ENGINE FRICTION FIGHTER - Reduces wear and tear, extending your engine’s lifespan effortlessly.
MAXIMIZE FUEL EFFICIENCY - 3x more cleaning power than premium gas keeps your MPG climbing.
DEEP CLEAN YOUR FUEL SYSTEM - Advanced PEA & PIBA detergents blast harmful deposits for smoother rides.
TRUSTED BY HIGH MILEAGE DRIVERS - Keeps engines running strong even past 200k miles—join the savvy pros.

STP Ultra 5 in 1 Fuel System Cleaner is a 12 fl oz liquid treatment designed to deep clean your vehicle’s entire fuel system using a powerful blend of PEA and PIBA detergents. It delivers 3 times the cleaning agents compared to leading premium gasoline, helping to remove deposits, reduce engine friction, and improve fuel efficiency. Suitable for all gasoline engines, it treats up to 35 gallons of fuel and is recommended for use every 4,000 miles to maintain optimal engine performance and longevity.

Specifications

ASIN	B00K5L8H1I
Best Sellers Rank	#9,552 in Automotive ( See Top 100 in Automotive ) #27 in Fuel System Cleaners
Brand Name	STP
Customer Reviews	4.6 4.6 out of 5 stars (1,959)
Global Trade Identification Number	00071153174375, 10071153174372
Included Components	STP Auto Performance Aid
Item Form	Liquid
Item Type Name	Auto Performance
Item Volume	12 fluid ounces
Item Weight	0.2 kg
Manufacturer	STP
Material Features	Unscented
Material Type Free	Residue Free
Model Number	18410B
Number of Items	1
Part Number	18410B
Scent	Unscented
Size	12 Fl Oz (Pack of 1)
Special Features	Low Odor
Specific Uses For Product	engines
Surface Recommendation	Aluminum
UPC	071153174375
Unit Count	12 Fluid Ounces

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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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