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What engines need catch cans?

Catch cans, also known as oil catch cans, are essential for certain types of engines to prevent oil and other contaminants from entering the intake system. These devices are particularly important for turbocharged and direct-injection engines, as they help to maintain engine performance and longevity.


Engines That Require Catch Cans


The engines that typically need catch cans are those that are prone to oil and fuel buildup in the intake system, which can lead to various issues. These include:



  • Turbocharged engines: Turbochargers create positive crankcase pressure, which can push oil and other contaminants into the intake system. A catch can helps to capture and contain these substances, preventing them from entering the engine.

  • Direct-injection engines: In direct-injection engines, fuel is sprayed directly into the cylinders, which can cause carbon buildup on the intake valves. A catch can helps to collect and remove this buildup, maintaining engine efficiency.

  • High-performance engines: Engines with high-performance modifications, such as increased horsepower or boost levels, are more susceptible to oil and fuel contamination in the intake system. A catch can helps to mitigate these issues.


By installing a catch can, you can help to prevent these problems and ensure your engine runs smoothly and efficiently.


Benefits of Using a Catch Can


Installing a catch can on your engine can provide several benefits, including:



  • Improved engine performance: By removing oil and fuel contaminants from the intake system, a catch can can help to maintain optimal engine performance and efficiency.

  • Extended engine life: Preventing the buildup of oil and carbon deposits in the intake system can help to reduce wear and tear on engine components, extending the overall lifespan of the engine.

  • Reduced emissions: Catch cans can help to reduce the amount of oil and fuel vapors that are released into the atmosphere, contributing to lower emissions and a more environmentally-friendly vehicle.

  • Easier maintenance: The catch can can be easily inspected and emptied, making it a simple and effective way to maintain the health of your engine.


Overall, catch cans are a valuable addition to engines that are prone to oil and fuel contamination, helping to ensure optimal performance and longevity.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.