A clogged EGR (Exhaust Gas Recirculation) passage can significantly impact your engine’s performance and emissions. Common symptoms of a clogged EGR passage include:

• Rough idling: The engine may struggle to maintain a steady idle speed.
• Reduced fuel efficiency: Increased fuel consumption is often linked to a malfunctioning EGR system.
• Increased emissions: A clogged EGR can lead to higher NOx emissions, potentially causing your vehicle to fail an emissions test.
• Engine knocking or pinging: You may hear unusual noises from the engine due to improper combustion.
• Check Engine Light (CEL): Fault codes related to the EGR system may trigger the CEL.

Addressing EGR passage blockages is critical for maintaining emissions compliance and engine health.

Walnut shell blasting is effective for many engine types, especially those prone to carbon buildup, like direct injection engines. However, it’s essential to consult with professionals to determine the best cleaning method for your specific engine.

Yes, when performed by professionals using appropriate methods like walnut shell blasting, intake cleaning is safe and can enhance engine performance by removing harmful carbon deposits.

Yes, intake cleaning is a necessary part of maintaining your vehicle’s engine performance and efficiency. Over time, carbon deposits, soot, and other contaminants build up inside the intake manifold, throttle body, and other components of the intake system. These deposits can restrict airflow, disrupt fuel-to-air mixture ratios, and cause your engine to work harder than necessary.

Neglecting intake cleaning can lead to a decrease in fuel efficiency, loss of power, increased emissions, and even potential damage to engine components. Regular intake cleaning is particularly important for vehicles with direct injection engines, as these are more prone to carbon build-up. By investing in intake cleaning, you ensure optimal engine performance, prolong the life of your engine, and prevent costly repairs down the track.

The frequency of intake cleaning depends on factors such as your vehicle type, driving conditions, and fuel quality. As a general rule, we recommend cleaning your intake system every 50,000 to 100,000 kilometres.

However, if you frequently drive in urban areas with stop-and-go traffic, or if your vehicle is equipped with a direct injection engine, you may need intake cleaning more frequently. Signs that your intake might need cleaning sooner include reduced engine performance, rough idling, and increased fuel consumption. Consult your vehicle’s service manual or speak to a professional at Intake Cleaning for tailored advice.

The recommended frequency for intake system cleaning varies based on driving habits, fuel quality, and engine type. Generally, it’s advisable to perform this service every 30,000 to 50,000 kilometers. High-performance or turbocharged engines may require more frequent cleaning.

The duration varies depending on the engine type and the extent of carbon buildup. Typically, intake cleaning can be completed within a few hours. However, more complicated vehicles such as Toyota Landcruiser or Range Rover may require a full day.

Yes, we provide a range of services including injector cleaning and replacement, EGR valve cleaning, oil catch can installation, and engine diagnostics to help maintain and enhance your vehicle’s performance.

For more detailed information on our services, please visit our website:

• Intake Carbon Removal
• Injector Service and Replacement
• EGR Valve Cleaning
• Oil Catch Can Installation
• Engine Diagnostics

If you have any further questions or need personalised advice, feel free to contact us at [email protected] or call us at 0433 721 935.

Yes, carbon buildup can cause engine misfires by disrupting airflow and fuel mixture. Removing these deposits through carbon cleaning can resolve misfire issues and restore engine performance.