Power Foam®



Avoid contact with hoses and exterior plastic components. To prevent the dissolving of paint, do not overspray. Clean any overspray immediately to prevent unintentional component damage. AMSOIL Power Foam is not recommended for use in diesel engines or as a general-purpose degreaser.


Power Foam is safe for fuel injectors, catalytic converters and emissions-control devices. It will not damage seals, gaskets, rubber or plastic materials commonly used in gasoline engines.

Performance Features

Cleans deposits from ethanol and degraded fuel

Removes gum and varnish

Maximizes horsepower

Restores startability

Helps improve fuel economy

Reduces pollution





Lawn equipment




Protect painted surfaces and mass airflow sensors (MAF) from spray.

Ensure application is in a well-ventilated area.

Run engine to normal operating temperature and remove air cleaner assembly.

While engine is running, spray foam directly into throttle body as fast as possible without stalling engine. It is common to have to rev the engine above idle to facilitate this process.

Shut off engine and allow to sit for 10-15 minutes.

Replace air cleaner.

Restart engine. Repeat application of Power Foam as needed.

In extreme cases, disassemble carburetor and soak parts.


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