We heard that this product only needs to be used twice a year, does anyone know if it says this on the bottle?

So?? Which came first?! My bottle says 6,000 miles… this bottle is about 10 months old. I’d really like to know if the manufacturer recommends 6k or 6 months! Thanks

Would this product be suitable for a 1.6 Diesel engine in our family car?

I use it it a 1.9 TDI and 2 7.3 diesels.

Has anyone used this with a TDI with DEF / Urea?

It is specifically designed for restoring the performance of diesel engines so yea it will be fine in your TDI just make sure you follow instructions don't mix it too strong or your car will run like a raped ape for a minute

I want to use this in a diesel parking heater to try and remove some of the carbon buildup inside the burn chamber. Do you think this would do that?

It is very unlikely that using Diesel Extreme will remove carbon that is already built up in your heater. It is best used as a preventative to combat the amount of soot/carbon build up. Another note is that unfortunately, Diesel Extreme is very odorous and using it in an open heating element may cause some unpleasant odors.

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Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores Engine Performance

Hot Shot's Secret Diesel Extreme 1 Gallon, Concentrated Fuel System Cleaner, Diesel Fuel Additive, Injector Cleaner - Increases MPG & Restores Engine Performance

Product ID: 725399688

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Details

Brand
Hot Shot's
Item form
Liquid
Scent
Unscented
Specific uses for product
Diesel Fuel
Material features
Unscented

⛽Boosts cetane by up to 7 points

⚙️Military-grade rust & corrosion inhibitors

🛠️Cleans & protects fuel injectors and engine parts

Description

🔥 Unlock Extreme Diesel Power & Efficiency!

INJECTOR DETOX - Eliminates stubborn internal and external diesel injector deposits for peak engine smoothness.
RUST PROOF ARMOR - Military-grade inhibitors shield your engine from rust and corrosion, extending its lifespan.
MAXIMIZE YOUR MPG - Up to 7-point cetane boost for sharper combustion and better fuel economy.
EFFORTLESS MAINTENANCE - Just 8 oz. per 20 gallons—easy to use during your next fill-up or every 6,000 miles.
ENGINEERED FOR EXCELLENCE - Scientifically formulated to restore performance and reduce costly downtime.

Hot Shot's Secret Diesel Extreme is a concentrated fuel system cleaner and diesel additive that cleans injectors, boosts cetane by up to 7 points, and protects engine components with military-grade rust inhibitors. Designed for easy use, it improves fuel economy, restores engine performance, and reduces maintenance frequency.

Specifications

Manufacturer	Hot Shot's Secret
Item model number	P040401G
Product Dimensions	16.51 x 12.07 x 25.4 cm; 3.51 kg
ASIN	B086DWKK29

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