The cost can vary depending on the vehicle make and model, as well as the extent of carbon buildup. For an accurate estimate, please contact us directly with your vehicle details.

An oil catch can is a simple yet highly effective aftermarket device that helps to capture oil vapours and condensed moisture from the crankcase ventilation system before they can be reintroduced into the intake system of an engine. These vapours are produced by normal engine operation and, if left unchecked, can cause a range of problems in both naturally aspirated and forced induction (turbocharged or supercharged) engines, especially those with direct injection (DI) fuel systems.

Here’s a detailed explanation of how an oil catch can work and the benefits it provides to your engine:

How Does an Oil Catch Can Work?

1. Crankcase Ventilation:
   • During the combustion process, some of the fuel and air mixture escapes into the crankcase, which iswhere the engine oil is stored. This is a natural byproduct of combustion known as blow-by.
   • To manage this, most engines have a Positive Crankcase Ventilation (PCV) system, which channels the blow-by gases back into the intake manifold to be burned in the combustion chamber. However, these gases often contain oil vapours, fuel residues, and water condensation.
2. The Role of the Catch Can:
   • The oil catch can is installed between the PCV valve (or the crankcase) and the intake manifold. Its primary function is to intercept the blow-by gases before they enter the intake system.
   • The catch can have a filter or a baffle inside that causes the air/oil mixture to cool and separate the oil and contaminants from the gases. The oil and moisture then collect at the bottom of the can, while the cleaned gases are allowed to pass through and return to the intake.
   • In some designs, the catch can may also contain a coalescing filter to improve oil separation, especially in high-performance applications.
3. Separation Process:
   • As the blow-by gases flow through the catch can, they cool, causing the oil vapours and moisture to condense and collect in the can’s reservoir. The cleaned gases are then directed back to the intake manifold.
   • Over time, the collected oil and moisture in the can need to be drained, usually by unscrewing a drain plug or periodically emptying the can.

Benefits of Installing an Oil Catch Can

1. Prevents Carbon Buildup in Intake Valves

• Direct injection (DI) engines are particularly susceptible to carbon buildup on the intake valves because fuel is injected directly into the combustion chamber, bypassing the intake valves entirely. Without fuel washing over the valves, carbon deposits form more easily.
• Oil vapours and moisture that enter the intake can combine with dust, soot, and carbon particles, contributing to the formation of carbon deposits on the intake valves and intake manifold.
• By capturing these oil vapours before they enter the intake system, an oil catch can help reduce carbon buildup on intake valves, particularly in DI engines, which don’t have the valve-washing benefit of port fuel injection.

1. Improves Engine Efficiency and Power

• When oil vapours and moisture are allowed to accumulate in the intake system, they can reduce the efficiency of the combustion process, leading to:
  • Poor air-fuel mixture atomization.
  • Reduced airflow through the intake manifold.
  • Increased risk of knocking (pre-ignition).
• By keeping the intake system cleaner, an oil catch can ensure that the engine gets a more optimal air-fuel mixture, leading to better combustion, which can result in increased engine performance and smoother power delivery.

1. Reduces Oil Contamination in the Intake System

• Oil vapours entering the intake system can contaminate the intake manifold, throttle body, intercooler (in turbocharged engines), and intake piping. This leads to a buildup of oil residue inside these components, which can:
  • Cause clogged intake sensors (like the mass airflow or MAF sensor).
  • Create a mess in the intercooler or intake piping, reducing airflow and efficiency.
  • Cause throttle body and valve coking, which can affect throttle response.
• The catch can help prevent this by trapping the oil before it has a chance to contaminate these components, keeping the entire intake system cleaner.

1. Prevents Engine Knock and Misfires

• Engine knocking (pre-ignition) can occur when the air-fuel mixture is improperly combusted. If oil vapours or moisture are reintroduced into the intake, they can cause uneven combustion, leading to knock or misfires.
• By eliminating oil vapour and moisture from the intake charge, the catch can reduce the chances of knock, which can improve engine performance, reduce emissions, and protect the engine from potential damage.

1. Increases Engine Longevity

• Continuous exposure to oil vapours and contaminants in the intake system can lead to long-term wear on engine components like the intake valves, pistons, and cylinder heads.
• By preventing oil from entering the intake system, the oil catch can reduce internal engine contamination and help protect vital components from damage, ultimately extending the engine’s lifespan.

1. Improves Turbocharger Performance (for Turbocharged Engines)

• In turbocharged engines, oil vapours that enter the intake system can coat the intercooler, leading to reduced cooling efficiency and more buildup of oil residue inside the intake piping and turbocharger. Over time, this reduces the efficiency of the turbo system and may lead to potential damage or failure.
• By keeping the intake system cleaner and oil-free, an oil catch can help maintain turbocharger performance and prevent long-term damage to the forced induction system.

1. Better Emissions Control

• Catching the oil vapours before they enter the intake also prevents them from being burned in the combustion process, which reduces emissions.
• While the catch can doesn’t directly affect exhaust emissions, preventing the engine from burning excess oil vapour can result in cleaner exhaust gases and reduce the carbon footprint of the vehicle.

Potential Drawbacks or Considerations

• Maintenance: Oil catch cans need to be checked and drained regularly. Depending on driving conditions, you may need to empty the can every few thousand miles. This is a minor inconvenience, but it’s important to keep up with it to ensure proper function.
• Installation and Cost: Installing an oil catch can is relatively simple, but it requires some mechanical knowledge or the help of a professional. The cost of an oil catch can also vary, but high-quality models typically cost anywhere from $50 to $150 or more.
• Potential for Oil Pressure Issues: In very rare cases, a poorly designed or incorrectly installed catch could lead to oil pressure issues, although this is usually the result of improper routing or using a cheap or poorly designed product.

Conclusion: Is an Oil Catch Can Worth It?

Yes, for many modern engines, particularly those with direct injection (DI) or forced induction (turbocharged or supercharged), an oil catch can can provide substantial benefits in terms of:

• Preventing carbon buildup on intake valves.
• Improving engine efficiency and performance.
• Protecting internal engine components and increasing longevity.
• Reducing emissions and keeping the intake system clean.

While it requires some periodic maintenance, the benefits of keeping your intake system clean and preventing oil contamination can pay off in the long run by improving engine performance, reducing costly repairs, and extending the life of your engine. If you’re looking to maximize the health of your modern engine, particularly in a performance car or one with DI or forced induction, an oil catch can be a worthwhile investment.

An intake clean is a specialised service designed to remove carbon deposits, soot, and other debris from your vehicle’s intake system. This system includes components such as the intake manifold, throttle body, EGR valve, and sometimes the turbocharger. The process often involves using walnut shell blasting, specialised solvents, or pressurised air to clean the surfaces without causing damage.

The goal of an intake clean is to restore unrestricted airflow to the engine, improve combustion efficiency, and optimise overall performance. At Intake Cleaning, we use industry-leading tools and techniques to deliver thorough and safe intake cleaning services, ensuring your engine runs like new.

An EGR valve (Exhaust Gas Recirculation valve) is a critical part of your vehicle’s emission control system. It recirculates a portion of the engine’s exhaust gases back into the intake manifold to reduce nitrogen oxide (NOx) emissions. By lowering the combustion temperature, the EGR valve helps minimize the production of harmful pollutants.

Why does the EGR valve need cleaning?

Over time, carbon deposits, soot, and other combustion byproducts can accumulate on the EGR valve. This buildup can cause the valve to malfunction, leading to performance issues and increased emissions. A dirty or clogged EGR valve can interfere with engine efficiency and the functioning of the vehicle’s emission control system. Cleaning the valve helps restore its proper operation, which is important for the engine’s overall performance and for keeping emissions under control.

Symptoms of a dirty or malfunctioning EGR valve:

1. Rough idling or stalling: If the EGR valve gets stuck open, exhaust gases may flow into the intake manifold when they shouldn’t, causing the engine to idle roughly or stall.
2. Check Engine Light (CEL): A dirty EGR valve can trigger the check engine light, often accompanied by error codes such as P0401 (EGR Flow Insufficient), P0402 (EGR Flow Excessive), or P0404 (EGR Circuit Range/Performance).
3. Poor acceleration or reduced power: A clogged EGR valve can restrict the engine’s air-fuel mixture, which results in a noticeable drop in power and acceleration.
4. Increased emissions: An underperforming EGR valve can cause higher emissions of harmful gases like NOx, which can contribute to pollution and cause your vehicle to fail emissions tests.
5. Engine knocking or pinging: A malfunctioning EGR valve might cause an improper air-fuel mixture, leading to knocking or pinging sounds in the engine, which can cause long-term damage.
6. Lower fuel efficiency: When the EGR valve isn’t functioning properly, it may negatively affect the engine’s fuel consumption, leading to decreased fuel efficiency.

Professional EGR Valve and Intake Cleaning

If you suspect your EGR valve is clogged or malfunctioning, it’s a good idea to take your vehicle to an Intake Cleaning service. Expert technicians at these service centres have the necessary knowledge and tools to thoroughly clean the EGR valve and intake system.

Intake Cleaning services typically use advanced methods like Walnut Shell Blasting, a highly effective process for removing carbon and soot buildup from critical engine components. This method involves using crushed walnut shells to gently and efficiently clean carbon deposits from the intake valves and passages, helping to restore engine performance without causing damage.

By choosing a professional service, you ensure that both the EGR valve and other areas of the intake system are thoroughly cleaned or replaced if necessary. This helps improve engine performance, restore fuel efficiency, and lower emissions—all essential for keeping your vehicle running smoothly and efficiently.

A dirty intake system can lead to several issues that negatively impact your vehicle’s performance and longevity. When carbon deposits and soot accumulate in the intake manifold, throttle body, or EGR valve, they can restrict airflow and disrupt the precise fuel-to-air mixture your engine requires.

The consequences of a dirty intake include:

• Reduced fuel efficiency.
• Loss of engine power and responsiveness.
• Increased exhaust emissions.
• Difficulty starting the engine or rough idling.
• Accelerated wear and tear on engine components.

In severe cases, a clogged intake can cause engine misfires or damage to critical parts like the turbocharger. Regular intake cleaning prevents these issues and keeps your engine running smoothly.

Carbon buildup on injectors can occur due to a combination of factors related to engine operation, fuel quality, and combustion processes. In modern engines, especially direct injection (DI) engines like the VW 2.0 TSI, carbon buildup on fuel injectors is a common issue. Here’s a breakdown of the main causes:

1. Incomplete Combustion

One of the most common reasons for carbon buildup on injectors is incomplete combustion. When fuel doesn’t burn fully in the combustion chamber, it can leave behind carbon particles, which can deposit on various components of the fuel system, including the injectors. In DI engines, carbon buildup is especially problematic because the fuel is injected directly into the combustion chamber, and any unburned fuel or particulates can quickly accumulate on the injectors.

1. Low-Quality or Dirty Fuel

Using low-quality fuel, or fuel with high levels of impurities or contaminants, can accelerate carbon buildup. This is particularly true for injectors, which are finely engineered components that rely on a precise spray pattern to optimize combustion. If the fuel contains impurities like sulfur, dirt, or water, these can form carbon deposits on the injector tips and cause clogging or improper atomization.

• Ethanol in fuel: In regions where ethanol is blended with gasoline, this can also contribute to carbon buildup. Ethanol can cause the fuel to burn hotter or less efficiently, leading to an increase in carbon formation.

1. Fuel Quality and Additives

Some lower-quality fuels have poor detergency properties, meaning they don’t contain enough additives to keep the fuel system clean. Without proper detergent additives, carbon and varnish can build up on injectors, especially in DI engines. In some cases, low-quality injectors themselves can also fail to atomize fuel properly, causing inefficient combustion and promoting carbon buildup.

1. Short Trips and Low Operating Temperatures

Engines that are frequently used for short trips or cold starts may accumulate carbon faster, as the engine doesn’treach its optimal operating temperature. During cold starts and low-speed driving, the engine runs at less-than-ideal conditions, which can result in incomplete combustion. This incomplete combustion can create carbon that adheres to the injectors and other components like intake valves and pistons.

1. Excessive Oil Consumption

If the engine is consuming oil, it can cause oil vapours to enter the combustion chamber, where they burn and leave behind carbon deposits. These deposits can build up not only on the intake valves (a common problem in DI engines) but also on the injectors. The problem is especially noticeable in older engines or those with worn piston rings or seals, which allow oil to seep into the combustion chamber.

1. EGR (Exhaust Gas Recirculation) System Issues

The EGR system recirculates a portion of exhaust gases back into the intake manifold to reduce NOx emissions. However, over time, EGR valves and the intake manifold can accumulate carbon from the exhaust gases. If the EGR system is malfunctioning or operating inefficiently, it can result in excess carbon being directed back into the combustion chamber. This can cause carbon buildup on the injectors as well as other engine components.

1. Injector Design and Fuel Spray Pattern

In direct injection engines, the design of the fuel injectors plays a significant role in how efficiently fuel is atomized. If the injectors are faulty or if their spray pattern is disrupted (for example, due to wear or clogging), the fuel may not be distributed properly in the combustion chamber. This can lead to poor combustion and, as a result, more carbon buildup on the injectors and other engine components.

1. Improper Air/Fuel Mixture

When the air-fuel mixture is too rich (too much fuel in relation to air), it can result in incomplete combustion, as there’s not enough oxygen to burn all the fuel. This can lead to the formation of carbon deposits. A lean mixture (too little fuel) can also cause inefficient combustion and may lead to overheating, which can increase carbon buildup in some areas of the engine.

1. PCV (Positive Crankcase Ventilation) Issues

A malfunctioning or clogged PCV valve can lead to oil vapours entering the intake system. These vapours can contribute to carbon buildup on injectors, intake valves, and the combustion chamber. A faulty PCV system might cause excess oil mist to be pulled into the intake manifold, where it can mix with the air-fuel mixture and cause further carbon deposits.

How to Prevent Carbon Buildup on Injectors:

1. Use High-Quality Fuel: Using fuel with a high detergent content can help reduce carbon buildup. Look for fuels that contain cleaning additives or are labelled as “Top Tier” fuels, as they meet higher standards for fuel cleanliness.
2. Regular Maintenance: Regular servicing, including changing fuel filters and ensuring the injectors are functioning properly, can help minimize buildup. Using fuel additives specifically designed to clean injectors might also help.
3. Avoid Short Trips: Regular long drives that allow the engine to reach and maintain optimal operating temperature can help reduce the risk of carbon accumulation, as engines running at low temperatures tend to have less efficient combustion.
4. Oil Changes: Frequent oil changes using high-quality oils and ensuring the PCV system is functioning properlycan reduce oil vapours that contribute to carbon buildup.
5. Clean EGR System: Regular inspection and cleaning of the EGR system can prevent carbon from being recirculated back into the intake manifold and combustion chamber.
6. Injector Cleaning: Some professionals offer injector cleaning services (e.g., ultrasonic cleaning or chemical fuel injector cleaners) that can help clear carbon buildup on the injectors.

Symptoms of Carbon Buildup on Injectors:

If carbon builds up on injectors, you may notice symptoms like:

• Engine misfires or rough idling
• Decreased power or acceleration
• Increased fuel consumption
• Poor throttle response
• Check engine light (CEL) illuminated, often with error codes related to injector performance or combustion issues (e.g., P0300 misfire codes).

If you suspect carbon buildup on your injectors, it’s a good idea to have your engine professionally diagnosed to identify the root cause and address the issue before it leads to further engine damage or decreased performance.

Carbon buildup is a common issue in engines, particularly those using direct fuel injection (GDI) technology. This is because fuel is sprayed directly into the combustion chamber, bypassing the intake valves. Unlike older port-injection systems, direct injection doesn’t allow fuel to wash over the valves and clean away deposits, leading to carbon buildup over time.

Key Causes of Carbon Buildup:

• Oil Vapors from the PCV System: The positive crankcase ventilation (PCV) system redirects oil vapours into the intake manifold, where they stick to the valves.
• Incomplete Combustion: Short trips and stop-and-go driving often result in unburned fuel particles, which can accumulate on engine components.
• High-Pressure Combustion: Turbocharged engines operate under high pressure and generate more soot, increasing the likelihood of buildup.

Vehicles like the VW Golf GTI (EA888 engines), Audi A4 TFSI models, and BMW N54 turbo engines are particularly prone to this problem due to their advanced performance designs. Regular cleaning can help mitigate these issues.

Clogged Fuel Injectors

Over time, fuel injectors can accumulate carbon deposits, varnish, and dirt, especially if the vehicle is frequently driven in stop-start traffic or short distances. These contaminants reduce the injector’s ability to spray fuel efficiently, leading to poor engine performance, reduced fuel economy, and increased emissions.

Solution: Intake Cleaning offers professional Injector Service and Replacement as well as Carbon and Soot Removal to restore optimal fuel injector performance. Regular maintenance, including a periodic Port Carbon Clean, can prevent severe clogging and keep your injectors functioning efficiently.

Fuel Injector Leaks

Fuel injector leaks can occur when the seals or O-rings degrade over time. This can result in fuel leakage, causing poor fuel efficiency, strong fuel odours, and even fire hazards if left unaddressed. Common signs include difficulty starting the engine, rough idling, or fuel pooling near the injector.

Solution: If you suspect a leak, our Injector Service and Replacement can address this issue effectively, ensuring your injectors are sealed and functioning correctly.

Electrical Failures

Fuel injectors rely on an electrical signal to operate. Corrosion, wiring damage, or faulty connections can disrupt this signal, causing injectors to misfire or stop working entirely. This can lead to uneven engine operation, loss of power, and increased emissions.

Solution: At Intake Cleaning, our technicians can diagnose and repair electrical issues with your fuel injectors, ensuring that they fire precisely when needed.

Preventative Maintenance for Fuel Injectors

To avoid these common fuel injector issues, regular maintenance is key. Services like Intake Cleaning, Carbon Removal from the Intake System, and Turbocharger Carbon Removal can help maintain your vehicle’s overall performance. For diesel engines, our EGR Valve Cleaning service can further enhance efficiency.

We also recommend reading our detailed blog post “Why You Should Prioritise Carbon Removal for Your Engine” for additional insights into keeping your fuel system in top condition.

A clogged intake manifold can cause various symptoms, indicating restricted airflow and carbon buildup. Common signs include:

• Reduced engine performance: You may notice a lack of power, sluggish acceleration, or reduced responsiveness.
• Rough idling: The engine may vibrate or feel unstable when idling.
• Poor fuel efficiency: You may need to refuel more frequently as the engine consumes more fuel to compensate for the restricted airflow.
• Increased exhaust smoke: Excessive smoke from the exhaust, especially black smoke, can be a sign of incomplete combustion.
• Check Engine Light (CEL): The engine management system may detect the problem and illuminate the CEL.

If you experience any of these symptoms, it’s essential to have your inlet manifold inspected and cleaned promptly.