If your Dodge Charger feels sluggish or you’ve noticed a dip in fuel economy, dirty fuel injectors could be the culprit. A quality fuel injector cleaner can restore lost power and keep your engine running at its best.
This guide reviews five top-rated products to help you choose the right cleaner for your Charger. Whether you need a simple pour-in additive or a professional cleaning tool, you’ll find the perfect match here.
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Royal Purple 18000 Fuel Injector Cleaner - 6 fl. oz.
Best forRestoring fuel economy
- Restores fuel economy
- Stabilizes ethanol
ConsiderSmall bottle size

Red Line 60103 SI-1 Complete Fuel System Cleaner, Cleans and Prevents Corro...
Best forDeep fuel system cleaning
- Cleans injectors and valves
- Reduces gum and varnish
ConsiderStrong chemical smell

THIKPO Universal Fuel Injector Tester and Cleaner Tool Kit, DIY Cleaning To...
Best forDIY injector testing and cleaning
- 8 pulse modes
- Tests two injectors at once
ConsiderRequires mechanical skill

Red Line 60103 SI-1 Complete Fuel System Cleaner - 15 Ounce- Fuel Injector ...
Best forPremium fuel system protection
- Prevents corrosion
- Cleans nearly 100% in one treatment
ConsiderPricey per bottle

Set of 6 Fuel Injectors 4 Holes Compatible with 2011-2019 Dodge Challenger ...
Best forReplacing worn injectors
- Perfect fit for 3.6L V6
- Better fuel atomization
ConsiderRequires installation
Royal Purple 18000 Fuel Injector Cleaner – Restore Economy
Brand: Royal Purple
A solid choice for restoring fuel economy and throttle response.
Royal Purple’s 18000 Fuel Injector Cleaner is a concentrated additive designed to restore fuel economy and maximize horsepower. It stabilizes ethanol in the fuel, which helps prevent phase separation and corrosion in your Charger’s fuel system. You’ll notice improved throttle response after just one treatment, making it a solid choice for daily drivers.
This 6-ounce bottle treats up to 16 gallons of fuel, so it’s economical for regular use. The formula works to clean injectors and combustion chambers, reducing deposits that can cause hesitation. If you want a straightforward cleaner that delivers noticeable gains in responsiveness and efficiency, this is a reliable option.
- Restores fuel economy
- Stabilizes ethanol
- Improves responsiveness
- Small bottle size
- May need repeated use
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- Restores fuel economy
- Stabilizes ethanol
- Maximizes horsepower
- Improves responsiveness
- For use in both gasoline and diesel engines
- Fit type: Universal Fit
Red Line 60103 SI-1 Complete Fuel System Cleaner – Deep Clean
Red Line’s SI-1 Complete Fuel System Cleaner is a powerful additive that cleans injectors, carburetors, valves, and combustion chambers. Its concentrated blend of high-temp and low-temp detergents tackles tough deposits, helping your Charger burn fuel more efficiently. You’ll experience smoother operation and increased power after a single treatment.
This 15-ounce bottle treats up to 20 gallons of fuel, making it a great value. The formula also enhances gasoline stability, reducing gum and varnish buildup over time. For a thorough cleaning that addresses multiple fuel system components, this product is hard to beat. It’s especially useful if you’ve neglected regular maintenance.
- Cleans injectors and valves
- Reduces gum and varnish
- Easy to use
- Strong chemical smell
- May require two treatments
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- DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner treatment for cleaning and preventing corrosion in fuel systems
- PERFORM AND PROTECT: Fuel additive cleans injectors, carburetors, valve and combustion chamber deposits with a powerful, concentrated blend of high-temp and low-temp detergents
- EFFICIENT FUEL BURN: Gas treatment that enhances gasoline stability, while reducing the build up of gum and varnish formation
- EASY TO USE: Use one bottle per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment
- 15 Ounce (2 Pack)
THIKPO Universal Fuel Injector Tester and Cleaner Tool Kit – DIY Tool
The THIKPO Universal Fuel Injector Tester and Cleaner Tool Kit lets you diagnose and clean injectors on your Charger at home. It operates injectors individually with 8 pulse modes, helping you identify fuel delivery problems. The kit includes two pairs of output terminals, so you can test two injectors simultaneously.
With 8 size cleaning adapters, it fits most 12V EFI and GDI injectors, including those in your Charger. The LCD display shows pulse settings clearly, and the ultra-long power cord reaches easily. This tool is perfect for DIYers who want to clean injectors without a shop visit. It’s a practical investment for long-term maintenance.
- 8 pulse modes
- Tests two injectors at once
- Universal adapter fit
- Requires mechanical skill
- Not a pour-in additive
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- Upgraded Universal Fuel Injector Tester and Cleaner Tool Kit—Operates injectors individually to diagnose fuel delivery problems on petrol vehicles with electronic fuel injection, such as blockage, leakage, damage, and burnout of the injectors. The included 8-size cleaning adapters combined with the tester pulse mode can quickly clean the injectors
- 【Test for 2 Injectors Simultaneously & Ultra-long Power Cord】Come with two pairs of output terminals, allowing you to test for two injectors or for one injector at once. The tester power cord is up to 40inch and the test lead is up to 20 inches for convenient testing. The wires are made of superior silica gel, allowing the tester to work at high and low temperatures. (To make it perform better, it is recommended to work at normal temperatures.)
- 【8 Size Adapters Cleaning Tool & Universal Fit】Our cleaner small and large size adapters are compatible with most 12V EFI and GDI vehicle models' injectors. We also offer two additional specialized adapters for the BMW Audi, one is suitable for models such as V.W, Audi, etc. and another one with threaded hole is exclusively for BMW N series such as N14/N18/N20/N26/N53/N54/N55/N63/S63.
- 【8 Pulse Modes & LCD Display】The fuel injector tester kit is designed with 8 pulse modes, which are composed of 4 pulse signal output modes and 2 output voltage levels: Short/ Medium/ Long/ Continuous pulse modes + High/Low(12V/5V) power drive modes. This tester has a wide variety of pulse modes, providing a large testing space to accurately and quickly diagnose and repair petrol vehicle injectors' fuel delivery problems. The LCD displays the mode you are in.
- 【Polarity Reverse Connection Protection & Short Circuit Protection】Deigned with power input reverse connection protection and output short circuit protection function. In the case damaged or a short circuit of the pulse output terminal, the power indicator light of the fuel injector cleaner tool kit will flash to prompt you.
- 【Power supply method】Powered by a 12V battery or an external DC 12V (at least 1.5A) power adapter. and it can work with any fuel pressure tester(NOTE: Gasoline car only, NOT the diesel engine). Warmly Note: Using this cleaning tool kit to clean requires a cleaner(not included) and a 12V DC battery power supply (not included). Please prepare these necessary tools before your cleaning.
- 【ADDITIONAL FUNCTION & NOTES】 (1.This injector tester pulse tool can be modified for relay testing or solenoid valve testing, other modifications should be made under the guidance of professionals. (2. The pulse timer can be used in conjunction with the fuel pressure gauge when working off the engine. (3. This fuel injector tester tool can be used with any fuel pressure tester. (4. Not applicable to diesel mechanical fuel injectors
- 【Professional Services Online & 3-Year Wa-rran-ty】Our technicians and customer support are online to answer your questions to provide professional guidance, and refunds or exchanges without worry. We promise 3 years wa-rran-ty.
Red Line 60103 SI-1 Complete Fuel System Cleaner – Premium Protection
Brand: Red Line
Excellent for comprehensive protection and cleaning in one dose.
This version of Red Line’s SI-1 Complete Fuel System Cleaner offers the same powerful cleaning as the previous listing, but in a 15-ounce bottle. It’s a premium fuel additive that cleans injectors, carburetors, valves, and combustion chambers. The concentrated detergents prevent corrosion and remove deposits, helping your Charger run smoother.
Using one bottle per tank provides nearly 100% cleaning efficiency in a single treatment. The formula also enhances gasoline stability, reducing gum and varnish formation. If you want a reliable cleaner that protects your fuel system long-term, this is a top pick. It’s easy to use and delivers consistent results.
- Prevents corrosion
- Cleans nearly 100% in one treatment
- Enhances fuel stability
- Pricey per bottle
- Strong odor
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- DESIGNED TO EXCEED EXPECTATIONS: Red Line complete SI-1 fuel system cleaner is a premium fuel additive, providing an effective fuel treatment solution to clean and prevent corrosion in fuel systems.
- PERFORM AND PROTECT: Fuel additive cleans injectors, carburetors, valve and combustion chamber deposits with a powerful, concentrated blend of high-temp and low-temp detergents
- EFFICIENT FUEL BURN: A gas treatment that enhances gasoline stability, while reducing the build up of gum and varnish formation, leading to smoother operation and increased power output.
- EASY TO USE: Use one bottle of Redline Fuel System Cleaner per tank for most effective treatment, additive cleans nearly 100% efficiency in one treatment
- ENAHNCED ENGINE EFFCIENCY: Experience improved fuel economy and engine performance with Red Line 60103 SI-1 Complete Fuel System Cleaner, as it effectively removes deposits, for enhanced exhaust system function
BELKEBIR Set of 6 Fuel Injectors for 3.6L V6 – Replacement Set
Brand: BELKEBIR
A reliable replacement set for restoring injector performance.
The BELKEBIR set of 6 fuel injectors is a direct replacement for 2011-2019 Dodge Charger models with the 3.6L V6 engine. Each injector features a 4-hole spray nozzle that ensures better fuel atomization, leading to smoother acceleration and improved fuel efficiency. They match original factory specifications for a perfect fit.
Compatible with many Chrysler, Jeep, and RAM vehicles, this set is a practical upgrade if your current injectors are worn. The 4-hole design helps reduce emissions and restore lost power. While not a cleaner, this replacement set solves persistent injector issues. It’s ideal when cleaning alone isn’t enough.
- Perfect fit for 3.6L V6
- Better fuel atomization
- Smoother acceleration
- Requires installation
- Not a cleaning product
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- 【Perfect Fit & Compatibility】Compatible with Dodge & RAM models equipped with 3.6L V6 engines, including 2011-2014 Dodge Avenger 3.6L V6, 2011-2019 Dodge Challenger 3.6L V6, 2011-2019 Dodge Charger 3.6L V6, 2011-2015 Dodge Durango 3.6L V6, 2011-2019 Dodge Grand Caravan 3.6L V6, 2011-2019 Dodge Grand Journey 3.6L V6; 2013-2017 Ram 1500 3.6L V6, 2012-2015 Ram C/V 3.6L V6, 2014-2018 Ram Promaster 1500 3.6L V6, 2014-2018 Ram Promaster 2500 3.6L V6, 2014-2018 Ram Promaster 3500 3.6L V6.
- 【Perfect Fit & Compatibility】Compatible with Chrysler & Jeep & Volkswagen models equipped with 3.6L V6 engines, including 2011-2017 Chrysler 200 3.6L V6, 2011-2019 Chrysler 300 3.6L V6, 2013-2017 Chrysler 300C 3.6L V6, 2011-2016 Chrysler Town & Country 3.6L V6; 2011-2015 Jeep Grand Cherokee 3.6L V6, 2012-2017 Jeep Wranger 3.6L V6; 2011-2014 Volkswagen Routan 3.6L V6.
- 【Replace Part Numbers】FJ1147, 0280158233, 05184085AC, 5184085AD, 4G2269, 800-2183N, 8002183N. Built to match original factory performance and specifications.
- 【Boost Engine Performance】4-hole spray nozzle ensures better fuel atomization, smoother acceleration, and improved fuel efficiency.
- 【Built to Last】High-quality materials resist corrosion, heat, and wear—engineered for long-term performance in tough driving conditions.
- 【Fast & Easy Install】Plug-and-play design with pre-installed seals. Swap out your old injector in minutes and feel the difference instantly.
Buyer’s Guide: What to Consider
Choosing the right fuel injector cleaner for your Dodge Charger depends on your needs. Here are key factors to consider before making a purchase.
- Compatibility: Ensure the product is designed for your Charger's engine. Most pour-in additives work with any gasoline engine, but replacement injectors must match your specific model and year.
- Cleaning vs. Replacement: Pour-in cleaners are great for maintenance, but if injectors are clogged or damaged, a replacement set may be necessary. Consider the severity of your symptoms.
- Additive Concentration: Look for concentrated formulas that treat a large fuel volume. Higher concentration often means more effective cleaning in fewer treatments.
- Ease of Use: Pour-in additives are simple—just add to the fuel tank. Tool kits require mechanical knowledge. Choose based on your comfort level with DIY work.
- Additional Benefits: Some products also stabilize ethanol, prevent corrosion, or clean valves and combustion chambers. These extras can provide better long-term protection.
Conclusion
Keeping your Dodge Charger’s fuel injectors clean is essential for performance and fuel economy. Whether you choose a pour-in additive like Royal Purple or Red Line, or a DIY tool like THIKPO, regular maintenance will keep your engine running smoothly.
For most drivers, the Red Line SI-1 Complete Fuel System Cleaner offers the best balance of cleaning power and value. If you need to replace worn injectors, the BELKEBIR set is a solid choice. Pick the product that fits your needs and driving habits.