How do I use Cataclean Diesel?

Pour the entire 16-ounce bottle into approximately a quarter tank of diesel fuel. Drive for at least 15 minutes to let the cleaner circulate through the system, then refuel when needed.

How often should I use Cataclean?

Cataclean recommends using one bottle every three months for ongoing maintenance. It can also be used as a one-time treatment before an emissions inspection.

Will this work in a gasoline engine?

No. This is the diesel-specific formula (120007DE). Cataclean makes a separate version for gasoline engines. Make sure you are using the correct formula for your engine type.

Cataclean Diesel Fuel System Cleaner 16 oz

Name: Cataclean Diesel Fuel & Exhaust System Cleaner (16 oz)
Brand: Cataclean
SKU: MIS120007DE
Price: 36.95 USD
Availability: InStock

Cataclean Diesel Fuel & Exhaust System Cleaner (16 oz)

$36.95

Usually ships the next business day

EPA-approved diesel engine, fuel, and exhaust system cleaner. Reduces carbon buildup in injectors, oxygen sensors, and catalytic converters. 16 oz.

Key Features

EPA-approved diesel fuel and exhaust system cleaner
Cleans fuel injectors, oxygen sensors, and cylinder heads
Reduces carbon buildup in catalytic converters and diesel particulate filters
Can help correct power reduction, hesitation, and hard starts
Independent testing showed reduced total hydrocarbon emissions
16 oz bottle treats approximately a quarter tank of diesel fuel

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Product Details

Cataclean Diesel is a 16-ounce fuel additive formulated specifically for diesel engines. It is EPA approved and works by cleaning carbon deposits from fuel injectors, oxygen sensors, cylinder heads, and the catalytic converter or diesel particulate filter as you drive.

Carbon buildup happens gradually in diesel engines, and the symptoms creep up slowly too: reduced power, hesitation on acceleration, rough idle, and hard starts. Cataclean addresses the entire fuel and exhaust path in one treatment. Pour the full bottle into approximately a quarter tank of diesel fuel, then drive for at least 15 minutes. The cleaning agents circulate through the fuel system and burn through the exhaust system, breaking down deposits along the way. Refuel when needed after treatment.

Independent emissions testing has shown that Cataclean can lower total hydrocarbon emissions, which also makes it useful as a pre-treatment before an emissions inspection. For ongoing maintenance, Cataclean recommends using one bottle every three months to keep the fuel and exhaust system clean.