If you own a Hyundai, keeping the fuel system clean is one of the simplest ways to protect performance, maintain fuel economy, and avoid costly repairs. This guide covers proven cleaners, budget picks, and OEM-confidence options. All work with modern gasoline systems, including direct injection where carbon buildup is a real concern.
Top Picks
| Category | Product | Score |
|---|---|---|
| 🏆 Best Overall | Red Line Service Chemicals 17006 Complete Fuel System Cleaner (2 Pack) | 97/100 |
| ⚡ Best Performance | Red Line SI-1 Complete Fuel System Cleaner (15 oz) | 95/100 |
| 🎯 Best for Hyundai Owners | Genuine Hyundai Fluid 00232-19047 Complete Fuel System Cleaner | 90/100 |
| 💰 Best Value | STP Complete Fuel System Cleaner (5.25 oz) | 88/100 |
How We Picked These Fuel System Cleaners
We focused on products that actually move deposits and restore performance. Here is what we looked for: cleaning chemistry (products with PEA detergents score higher because they remove stubborn carbon), compatibility (safe for gasoline direct injection, port fuel injection, and hybrid systems), user feedback (consistent real-world results), manufacturer backing (OEM or well-known brands), and value (clear benefits relative to price).
Most of these are pour-in additives you can use yourself. We prioritized cleaners with clear directions so there’s no guesswork.
If you have a high-mileage Hyundai or notice rough idle, hesitation, or reduced fuel economy, choose a stronger concentration cleaner and follow the product instructions for best results.
Red Line Complete Fuel System Cleaner (2 Pack)
This is a concentrated fuel-system cleaner. Pour it into the tank to tackle deposits across injectors, intake, and the throttle body. It works with all gasoline engines, including GDI, MPFI, and hybrids. Used as directed, it delivers smoother idle, fewer hesitations, and better fuel economy.
Add it to a half tank when you notice rough starts or sluggish throttle response. For heavier build-up or before a long trip, use it as a targeted treatment to clear carbon and varnish. If a mechanic suggests an expensive cleaning service, this bottle can often handle the job at home. It’s reliable, easy to use, and worth keeping in your car for routine maintenance.
What People Say
People who use it report noticeable improvements, fewer hesitations, smoother starts, and reduced engine lights tied to fuel system deposits. It works whether you’re fixing a specific issue or doing routine maintenance.
Overall Sentiment: Positive
🗣️ B.I.L.S.
Used in about a half tank on Ford modular injectors and it cleared injector issues that saved a lot of diagnosis time. Worked well but make sure COPs are firing before checking for leaks.
🗣️ wesley v thomas
Recommended by a mechanic for carbon on an Audi; cleaned carbon, smoothed out performance and increased mileage. The reviewer stopped needing professional cleaning after using this.
Versatility
Works across a wide range of gasoline engines, from older multi-port setups to modern GDI and hybrid systems. Use it as a quick fix for a problematic start, as a preventative every few thousand miles, or as a pre-trip treatment.
Problem Solving
Good at clearing carbon and varnish that cause rough idle, hesitation, and reduced mileage. Several users reported engine lights disappearing and improved throttle response after treating with this cleaner.
Key Benefits
- Cleans the entire fuel system, including injectors and throttle body
- Works with GDI, MPFI and Hybrid engines
- Helps remove gum, varnish and carbon deposits
- Can improve fuel economy and smoothness
- Limited lifetime warranty when used every 5,000 miles
Rating: 4.8 (total: 16+)
Pick this if you want long-term value for routine maintenance and the added assurance of a limited lifetime warranty program.
Hot Shot’s Gasoline Extreme 12 Fl Oz
If your Hyundai feels sluggish or slow to start, this is the bottle to keep on hand. Hot Shot’s Gasoline Extreme is a concentrated fuel additive that uses P.E.A. chemistry to dissolve gum, varnish, and deposits across injectors, intake, and combustion chambers. Pour 12 fl oz per 20 gallons into the tank.
Drop it in during a fill-up every 10,000 miles to keep things smooth and efficient. For heavier build-up or before a long trip, treat a partially filled tank and drive normally. Most owners notice smoother idle, crisper throttle, and a small MPG bump after a tank or two.
It’s easy to use, works across most gasoline engines, and is a low-effort way to avoid professional cleaning in many cases.
What People Say
Users often mention quieter injectors, smoother idling, and measurable MPG gains after treatment. Many use it routinely every few months or as a targeted fix before trips.
Overall Sentiment: Positive
🗣️ Link
Stuffs pretty good. I used two of these over the passed few months in my 2008 Expedition. With 180k miles I could clearly hear the injectors. After using this in the tank for the past two oil changes it’s absolutely silent. Avg mpgs have gone from 14.7 to 15.8-16.0mpg (city) in my last 2 tanks of gas.
🗣️ Mark Manson
For years, I used 44k once a year in my ’15 edge sport to clean up the fuel system. I always had noticeable results using it, but this stuff seems to be even better. Within 1/4 tank, there was a larger increase in power than I’d ever seen with the 44k. Fuel economy is back to when I bought it with 45k miles.
Versatility
Works well in a range of gasoline engines, from small engines and everyday compact cars to older sedans and SUVs. Use it as routine maintenance every 10,000 miles, a quick fix for rough running, or a pre-trip treatment.
Problem Solving
Good at removing gum, varnish, and deposits that cause rough idle, reduced power, and poorer fuel economy. Several reviewers reported regained performance and smoother cold idles after one or two tankfuls.
Key Benefits
- Thoroughly cleans injectors, valves and combustion chambers
- Can improve fuel economy and restore engine power
- Addresses rough idle, hesitation and sticky injectors
- Uses P.E.A. technology for deep deposit removal
- Easy at-home application: pour into the tank (12 fl oz per 20 gal)
Rating: 4.7 (total: 956+)
Pick this if you need extra cleaning power for stubborn carbon deposits and want a high-concentration P.E.A. formula.
Genuine Hyundai Complete Fuel System Cleaner
This is the exact OEM fluid Hyundai recommends for cleaning the whole fuel system, including injectors, valves, and the combustion chamber. One 20 oz bottle treats up to 20 gallons. Use it at every oil change or as often as every 3,000 miles.
For daily driving, it keeps fuel sensors and injectors clean with minimal effort. Before a long trip or after buying a car with unknown service history, one treatment can calm rough idle and help restore fuel economy.
If you want something made to the same standards as your car and recommended by Hyundai, this is a practical pick to keep in the garage.
What People Say
Owners highlight dealer-level quality without the service cost, noting smoother running and fewer injector noises after treatment. Many use it on a regular maintenance schedule.
Overall Sentiment: Positive
🗣️ j sif
I’m happy to be able to use this product for my Hyundai EQUUS. The dealership charges $120.00 just to apply this product to my vehicle. Great money saver being able to do this myself. Definitely will be buying more as long as I have the vehicle.
🗣️ maria S
Used in my Tucson — keeps it running smoothly about every three months for better gas engine cleaner. I use it regularly and it seems to maintain smooth operation between services.
Versatility
Built for Hyundai vehicles but effective across most gasoline engines. Useful as routine maintenance, a pre-trip confidence boost, or an inexpensive alternative to a dealer service.
Problem Solving
Targets gum, varnish, and deposits that cause rough idle, hesitation, and reduced MPG. Several users report quieter injectors and regained smoothness after a treatment or two.
Key Benefits
- Cleans injectors, valves and combustion chamber to help restore fuel economy
- Approved and recommended by Hyundai Motor America
- Single-tank treatment; recommended at each oil change or every 3,000 miles
- Protects the fuel level sensor
- Treats up to 20 gallons of gasoline
Rating: 4.8 (total: 160+)
Pick this if you want the OEM-approved option and the confidence that comes with Hyundai’s own recommendation.
Chevron Techron High Mileage
If you own a higher-mileage Hyundai, this is an easy fix you can do yourself. Techron High Mileage dissolves gum, varnish, and carbon build-up in injectors, valves, and the combustion chamber. One 12 oz bottle treats up to 21 gallons and works with gasoline, ethanol blends, and many hybrid engines.
Use it as part of routine maintenance to keep sensors and injectors running well. It’s also useful before a long trip or after buying a car with uncertain service history.
It includes corrosion inhibitors for metal and non-metal components, and is safe for catalytic converters and oxygen sensors. A solid pick for older, high-mileage Hyundais.
What People Say
Owners report smoother idles, reduced hesitation, and improved throttle response after treatment. Many use it regularly on high-mileage cars to maintain drivability.
Overall Sentiment: Positive
🗣️ C. M.
Used this on my older sedan with 150,000 miles — one bottle treated a full tank and I noticed a smoother idle and crisper throttle response after a tank of gas. Seemed to take care of hesitation on light acceleration.
🗣️ Sam R.
I add it every few thousand miles to keep injectors clean. It’s compatible with ethanol blends so I don’t worry about fuel types, and the corrosion inhibitors give me peace of mind for the fuel gauge sensor.
Versatility
Works in carbureted, port-injected, and modern fuel-injected engines, plus gasoline hybrids. Useful for routine maintenance, pre-trip confidence boosts, or when rejuvenating a used car.
Problem Solving
Targets fuel-system deposits that cause rough idle, hesitation, and reduced MPG. Multiple users find it brings back lost power and reduces injector-related noises after treatment.
Key Benefits
- Restores lost power and performance by removing gum, varnish and deposits
- Helps maximize fuel economy by keeping fuel delivery parts clean
- Includes corrosion inhibitors to protect metal and non-metal components
- Compatible with gasoline, ethanol blends and many hybrid engines
- One 12 oz bottle treats up to 21 gallons of gasoline
Rating: 4.7 (total: 1161+)
Pick this if your Hyundai has over 75,000 miles and you want a formula with corrosion protection built in.
Red Line SI-1 Complete Fuel System Cleaner
If your Hyundai hesitates on light throttle or the MPG has been slowly dropping, this bottle addresses both. Red Line SI-1 is a concentrated fuel-system treatment you pour straight into the tank. One 15 fl oz bottle treats a full tank in most cases. It targets deposits in injectors, carburetors, valves, and combustion chambers while helping prevent corrosion.
Add it during routine maintenance to keep idles smooth and injectors spraying well. It’s also useful before a road trip or after buying a used car.
Users report smoother acceleration, fewer misfires, and noticeable MPG improvements after treatment. Just pour and drive.
What People Say
Owners consistently mention smoother idles, reduced hesitation, fewer misfires, and noticeable fuel economy gains after using SI-1 once or over a couple of tanks.
Overall Sentiment: Positive
🗣️ Tim
After one treatment I saw an immediate difference: smoother acceleration and a jump from about 27 mpg to 34 mpg, so it clearly improved fuel delivery and efficiency in my car.
🗣️ Erik
This bottle is easy to use — pour into the tank — and the blend of high-temp and low-temp detergents cleaned injectors, valves and combustion deposits while helping reduce gum and varnish formation. It also helped stabilize fuel and seems to prevent future corrosion.
Versatility
Works with carbureted and fuel-injected engines. Useful for regular maintenance, pre-trip tune-ups, or when refreshing a used car. Commonly used across passenger cars, trucks, and small engines.
Problem Solving
Targets carbon, gum, and varnish that cause rough idle, hesitation, and misfires. Many users report noticeable improvements after a single treatment. Heavier contamination often responds after repeat use.
Key Benefits
- Cleans injectors, carburetors, valves and combustion chamber deposits
- Helps prevent corrosion in fuel system components
- Reduces gum and varnish buildup to stabilize fuel
- Easy one-bottle treatment per tank for most situations
- Often restores smoother idle, crisper throttle and can improve MPG
Rating: 4.7 (total: 7129+)
Pick this if your engine has noticeable hesitation or misfires and you want one of the most powerful deposit-removing formulas available.
Chevron Techron High Mileage Fuel System Cleaner
If your Hyundai has racked up the miles and idles rough or lacks pep, this is a treatment worth keeping in the garage. Techron High Mileage is a pour-in cleaner for gasoline engines, both carbureted and fuel-injected. The formula removes gum, varnish, and carbon while protecting metal parts from corrosion.
Add it periodically for everyday maintenance or use it before a road trip. It can make an older drivetrain feel noticeably fresher.
It’s compatible with ethanol blends and safe for catalytic converters and oxygen sensors, so you don’t have to overthink where to use it. A straightforward maintenance step for any high-mileage Hyundai.
What People Say
Owners frequently report smoother idles, quieter running, better acceleration, and measurable fuel economy gains after treatment. Many note it is easy to use and particularly helpful on older, high-mileage cars.
Overall Sentiment: Positive
🗣️ Austin Ferguson
After one treatment my engine ran smoother, idled more quietly and felt quicker on acceleration; I also noticed improved fuel efficiency. Easy to use — just pour into the tank — and one bottle goes a long way.
🗣️ Miss Baker
I keep a supply on hand for my older cars. I add it when the tank is nearly empty, pour it in before filling and the long neck makes pouring easy without spills. Helped my 1999 car keep running smoothly.
Versatility
Designed for gasoline spark-ignition engines including carbureted, two-stroke, port fuel injected, and gasoline hybrids. Suitable for routine maintenance, pre-trip tune-ups, and refreshing a used vehicle.
Problem Solving
Targets carbon, gum, and varnish that cause rough idle, hesitation, and sluggish throttle response. Regular use can restore performance and efficiency. Heavily soiled systems may need repeat treatments.
Key Benefits
- Restores lost power and performance by removing gum, varnish and other fuel system deposits
- Helps maximize fuel economy by keeping the fuel system clean
- Multiple corrosion inhibitors protect metal components and the fuel gauge sensor
- Compatible with ethanol blends (E10, E85) and safe for catalytic converters and oxygen sensors
- One 12 fl oz bottle treats up to 21 gallons of gasoline — handy for periodic maintenance
Rating: 4.7 (total: 1227+)
Pick this if you want a two-bottle supply for ongoing maintenance on a high-mileage Hyundai and want E85 ethanol compatibility.
Royal Purple Max-Clean 20 oz
Royal Purple Max-Clean is a 3-in-1 fuel system cleaner and stabilizer. It breaks up deposits in injectors, carburetors, intake valves, and combustion chambers. If your Hyundai is running rough or has been sitting, this can make a real difference.
For everyday care, add it periodically to keep idling steady and acceleration smooth. The brand cites an average 3.2% fuel economy gain and a small horsepower increase. For a rough idle, a car that’s been sitting, or a recently purchased used vehicle, it typically shows results within a tank or two.
It’s EPA/CARB compliant and works with gasoline, diesel, and ethanol blends, so you don’t need different products for different vehicles. Just pour and fill. Some owners find the bottle awkward to pour, so keep a funnel handy.
What People Say
Owners commonly report smoother acceleration, reduced engine noise, and modest MPG gains after using Max-Clean. Many appreciate the stabilizer function for cars that sit idle. A few note the bottle can be awkward to pour into some filler necks.
Overall Sentiment: Positive
🗣️ Hunter bottoms
Easy to use — the 20 oz bottle mixed right with my gas and I noticed smoother acceleration and less engine noise. It also acts as a stabilizer, which is handy for cars that sit for a while; I used it in both gasoline and diesel without issues.
🗣️ Justin
After using it I saw real gains: my first tank after treatment logged 304 miles and a small top-end performance increase. Worked well on a tuned Civic; container size treated a couple tanks but the bottle design meant I needed a funnel.
Versatility
Designed for both gasoline and diesel engines, and compatible with ethanol blends and biofuels. Use it routinely, before a long trip, or as a storage stabilizer for seasonal vehicles.
Problem Solving
Targets carbon and deposit buildup across the fuel system, including injectors, carbs, intake valves, and combustion chambers. Helps smooth rough idling, reduce misfires, and restore throttle response. Heavy buildup may need repeat treatments, but most users see improvements within a tank or two.
Key Benefits
- Cleans injectors, carburetors, intake valves and combustion chambers
- Acts as a fuel stabilizer for vehicles that sit or for seasonal storage
- Can improve fuel economy (manufacturer cites ~3.2% average) and horsepower (~2.6% average)
- EPA / CARB compliant and works with gasoline, diesel and ethanol blends
- Simple pour-and-fill use — no special tools required (but a funnel helps)
Rating: 4.7 (total: 2629+)
Pick this if you also need a fuel stabilizer, for example if the vehicle sits for weeks or months between uses.
Lucas Oil Deep Clean Fuel System Cleaner
Lucas Deep Clean is a solid everyday choice for Hyundai maintenance. It breaks up carbon and varnish in injectors, carburetors, and the combustion chamber. The maker says it can reduce NOx emissions and, in some cases, eliminate the need for higher-octane fuel.
Add it periodically to keep the idle steady and throttle response crisp. For a rough-idling high-mileage car, after suspect fuel, or before a long drive, most users see improvement within a tank or two.
Easy to use: just pour in and fill. Because the formula contains no diesel or kerosene carriers, it’s a safer choice for standard gasoline engines.
What People Say
Owners notice smoother idling, better throttle response, and improved mileage after treatment, especially on older, high-mileage cars. Several users mention it cleared issues within a tank or two. A few note the check engine light can come on briefly while it works, but it usually clears as the system flushes.
Overall Sentiment: Positive
🗣️ Lance Hart
Tried a couple of these out in our older high milage cars and so far so good… hopefully ensuring that the fuel system / injectors stay clear and flowing.
🗣️ Stewart Levy
This is a high-quality fuel injector or carburettor cleaner. You should use this every 10 tank of fuel to keep the injectors spraying properly and your carburettor clean.
Versatility
Use it as part of routine maintenance, after filling with suspect fuel, before a long trip, or when reviving a car that’s been sitting. Works well for daily drivers and weekend vehicles alike.
Problem Solving
Targets deposit-related problems including sticking injectors, rough idle, and reduced performance. Many owners report noticeable improvements quickly. Heavy buildup may need repeat treatments.
Be aware that cleaning can trigger temporary fault codes while deposits clear.
Key Benefits
- Deep cleans injectors, carburetors and the combustion chamber
- Removes carbon deposits and reduces knocking/pinging
- Helps reduce NOx emissions
- May eliminate the need for higher-octane fuel in some cases
- Formulated without diesel or kerosene carrier fluids
Rating: 4.7 (total: 1327+)
Pick this if you want a cleaner with no diesel or kerosene carrier fluids and a focus on reducing emissions alongside deposit removal.
STP Complete Fuel System Cleaner
STP’s formula uses a mix of PEA and PIBA detergents to break up deposits in injectors, intake, and combustion areas. Keep a bottle in the glovebox and your Hyundai will thank you.
Add it at regular intervals for everyday maintenance. For a rough idle, after bad fuel, or before a trip, most owners see results within a tank or two. It’s pour-and-drive simple.
What People Say
It brings back smoother idling and sharper throttle response, especially on older cars. Several users report clearer startup, fewer misfires, and even a measurable bump in highway performance or extra miles per tank after treatment.
A small number say they saw little change or experienced temporary issues while deposits were clearing.
Overall Sentiment: Positive
🗣️ Robert Morris
Have used this for years. When the car is acting a bit rough I usually put a can of this in the tank and it cleans the injectors and fuel system. I usually do this before a long trip and right after. There is a noticeable difference in performance and throttle response.
🗣️ Eric Essenwein
Before putting this in was having a bad misfire upon starting that even caused the checked engine light to come on intermittently. Since running this additive through the vehicle about a month ago the engine catches immediately on startup and the check engine light has stayed off… Have also gained more power on the highway and getting an extra 20 miles out of a tank of gas.
Versatility
Use it as part of routine maintenance, right after filling with questionable fuel, before long drives, or to help revive a high-mileage Hyundai that’s running rough. Works well whether you drive daily or only on weekends.
Problem Solving
Targets deposit-related problems like sticking injectors, rough idle, and intermittent misfires. Many owners notice improvements quickly, though heavy buildup may need repeat treatments. Cleaning can sometimes trigger temporary fault codes while the system flushes.
Key Benefits
- Deep cleans injectors, intake and combustion areas
- Contains PEA and PIBA detergents to remove stubborn deposits
- 2x the amount of cleaning agents versus leading premium gasoline
- Helps inhibit corrosion and restore engine performance
- Easy pour-and-go use — recommended every oil change or every 4,000 miles
Rating: 4.7 (total: 722+)
Pick this if you want the best-value option with proven PEA and PIBA detergents for routine, low-cost maintenance.
FAQ
How Do I Choose The Right Fuel System Cleaner For My Hyundai?
Match the cleaner to your engine type and the problem you want to solve. Gasoline engine? Use a gasoline-formulated cleaner. Diesel? Use a diesel-specific product. Never swap them.
Look for products that clean injectors, intake valves, and combustion chambers, and that are safe for catalytic converters and oxygen sensors.
Pay attention to active ingredients. PEA (polyether amine) is widely regarded as the most effective detergent for stubborn carbon deposits. Other formulas focus more on stabilizing or corrosion protection. Consider whether you need a high-mileage formula, an OEM-branded cleaner (like Genuine Hyundai) for factory-matched chemistry, or a concentrated treatment that covers multiple tanks.
Also check treat ratios (how many gallons one bottle covers), CARB/EPA compliance if emissions rules apply where you live, and user feedback on engines similar to yours.
How Often Should You Use A Fuel System Cleaner And How Do You Apply It?
A typical maintenance schedule is every 3 to 6 months, or roughly every 3,000 to 10,000 miles, depending on driving conditions and the product’s instructions. For regular upkeep, a milder cleaner used less frequently works well. For persistent rough idle, hesitation, or carbon buildup, you may need a stronger concentrated treatment or repeat applications over a few tanks.
For best results, follow the label. Many effective treatments work by adding the bottle to the fuel tank before you fill up, so the cleaner mixes well with fresh fuel. Some owners prefer to add it with a near-empty tank, then fill to ensure good concentration.
If deposits are severe, a shop-level service (injector cleaning or walnut blasting for direct-injected engines) may be necessary. Don’t overuse additives. More frequent use than recommended won’t improve results and can risk unintended effects.
Will Fuel System Cleaners Harm My Hyundai Or Void My Warranty?
Most reputable fuel system cleaners designed for your engine type are safe when used as directed and will not void your warranty. Using an OEM-approved product, or one that clearly states compatibility with catalytic converters and oxygen sensors, gives you extra assurance.
Avoid using diesel additives in gasoline engines or products that claim to modify emissions equipment. Follow instructions carefully. High-concentration treatments can temporarily trigger a check engine light as deposits dissolve and burn off. That response is usually temporary.
Keep records of the product and application if you’re concerned about warranty questions. If you have major drivability or emissions issues, let a technician diagnose them rather than relying solely on additives.
What Owners Prefer
Between the Red Line 2-pack, Hot Shot’s Gasoline Extreme, and the Genuine Hyundai cleaner, buyers typically prioritize proven cleaning power, Hyundai-specific compatibility, and overall value. Most reach for the Genuine Hyundai product for OEM peace of mind, the Red Line two-pack for long-term routine value, or Hot Shot’s concentrate when extra strength is needed against stubborn deposits.
Wrapping Up
Pick a cleaner that matches your needs: an OEM formula for confidence, a high-PEA performance formula for heavy deposits, or a low-cost option for routine maintenance. Add treatments as directed, usually to a low fuel level or per the bottle instructions, and you can expect smoother idle, steadier throttle response, and often better fuel economy. Regular use of a proven fuel system cleaner helps you protect your Hyundai, save on fuel, and avoid more expensive engine services down the road.
| Product | Image | Rating | Brand | Specific Uses For Product | Item Weight | Dimensions |
|---|---|---|---|---|---|---|
| Red Line Service Chemicals 17006 Complete Fuel System Cleaner, 12 Ounces – (2 Pack) |
 |
4.8/5 (N+ reviews) | Red Line | Automotive Exterior | 1.57 Pounds | 10 x 5.83 x 2.56 inches |
| Hot Shot’s Secret Gasoline Extreme 12 Oz |
 |
4.7/5 (N+ reviews) | Hot Shot’s Secret | Fuel System Cleaner | 12.6 ounces | 3.5 x 2 x 9 inches |
| Genuine Hyundai Fluid 00232-19047 Complete Fuel System Cleaner |
 |
4.8/5 (N+ reviews) | Genuine Hyundai | Prevent Corrosion | 1.3 Pounds | 9.5 x 3.4 x 3.2 inches |
| Chevron Techron High Mileage Fuel System Cleaner, 12 oz |
 |
4.7/5 (N+ reviews) | Chevron | Clean and Protect Fuel Systems | 12 ounces | 3.16 x 2.66 x 8.9 inches |
| Red Line 60103 SI-1 Complete Fuel System Cleaner, 15 Ounces |
 |
4.7/5 (N+ reviews) | Red Line | Clean and Prevent Corrosion | 1 Pounds | 10 x 2.32 x 2 inches |
| Chevron Techron High Mileage Fuel System Cleaner, 12 oz (Pack of 2) |
 |
4.7/5 (N+ reviews) | Chevron | Clean and Protect Fuel Systems | 12 ounces per bottle | 3.16 x 2.66 x 8.9 inches |
| Royal Purple Max-Clean Fuel System Cleaner and Stabilizer, 20 Ounce |
 |
4.7/5 (N+ reviews) | Royal Purple | Clean and Stabilize Fuel System | 1.25 Pounds | 2.63 x 2.63 x 9.73 inches |
| Lucas Oil 10512 Deep Clean Fuel System Cleaner, 16 Ounce |
 |
4.7/5 (N+ reviews) | Lucas Oil | Deep Clean Fuel System | 16 Ounces | 9.83 x 2.15 x 0.96 inches |
| STP Complete Fuel System Cleaner, Fuel Cleaner Deep Cleans Entire Fuel System, 5.25 oz |
 |
4.7/5 (N+ reviews) | STP | Deep Clean Fuel System | 5.5 ounces | 1.5 x 2.3 x 8 inches |
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