Can I use to much STP fuel injector cleaner?

Thank you for submitting your question! We recommend adding an entire 5.25 ounce bottle of the STP Super Concentrated Fuel Injector Cleaner to a full tank of gas. One 5.25 ounce bottle should be sufficient for treating 21 gallons of fuel. We do not recommend adding more than one bottle of STP Super Concentrated Fuel Injector Cleaner per tank of gasoline.. 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!

Can i use in combination with other stp products,like 5 in 1 stp??

Thank you for submitting your question, Yes, you can mix two STP products at the same time. For any further information please reach out to us on 800-776-1530 or email us on autohelpline@energizer.com to assist you better. STP Consumer Services

Can this be used in the tank of a motorcycle?

Thank you for submitting your question, No, this is not for use in motorcycles. We have not tested in motorcycles and cannot advise to use. 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!

Can i use this with Diesel ?

Thank you for submitting your question! No. We recommend using STP Super Concentrated Diesel Fuel Injector Treatment for diesel engines. For any further information please reach out to us at 1-800-383-7323 or email us at autohelpline@energizer.com to assist you better. STP Consumer Services

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⚡ Unlock your engine’s hidden power with every fill-up!

CARBON GUM ERASER - Dissolves stubborn carbon, gum, and varnish deposits for smooth starts.
JET FUEL GRADE CARRIER - Premium jet fuel base ensures deep, effective cleaning action.
MADE IN THE USA QUALITY - Trusted American manufacturing for reliability and peace of mind.
UNIVERSAL ENGINE SAFETY - Safe for all gasoline engines—no compromises on protection.
POWER BOOST IN EVERY DROP - Super concentrated formula restores engine performance and acceleration.

STP Super Concentrated Fuel Injector Cleaner is a 12 oz powerhouse formulated with jet fuel-grade carriers to dissolve carbon, gum, and varnish deposits clogging your fuel injectors. Safe for all gasoline engines, it restores lost power, smooths idling, and improves acceleration—crafted with trusted American quality.

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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.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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.

E£ 2792

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Best international shipping I've ever tried. Worth every penny!

3 days ago

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Manufacturer	STP
Brand	STP
Model	STP SC Fuel InjClnr BTL 6/12fo US
Item Weight	12 ounces
Product Dimensions	7.95 x 3.82 x 1.69 inches
Item model number	18030G
Is Discontinued By Manufacturer	Yes
Manufacturer Part Number	18030
Position	Outside

STP Super Concentrated Fuel Injector Cleaner, Injector Cleaner Unclogs Dirty Fuel Injectors and Restores Lost Power, 12 Oz

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