Knowing when your fuel injectors need cleaning is important for maintaining engine performance and efficiency. Over time, injectors can become clogged or dirty, leading to various engine issues. Below are common symptoms and signs that may indicate your fuel injectors are in need of cleaning or maintenance:
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.
Modern engines, especially those with direct injection (DI) systems, are more susceptible to carbon buildup compared to older engines that use port fuel injection (PFI). The primary reason for this is the design of the fuel delivery system and how modern engines handle combustion. Carbon buildup in DI engines often forms on the intake valves, and if left unchecked, it can significantly affect performance, fuel efficiency, and engine longevity. Let’s break down the reasons for this buildup and how shell blasting (or walnut shell blasting) is used to clean it.
Shell blasting (or walnut shell blasting) is a popular and effective method for cleaning intake valves and removing carbon buildup in engines, particularly in direct injection (DI) engines like the VW 2.0 TSI. This cleaning process uses finely ground walnut shells (or other abrasives) that are blasted at the intake valves and combustion chamber to scrub off carbon deposits without damaging engine components. Below are the benefits of using walnut shell blasting to remove carbon buildup from your car’s intake system:
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:
The VW 2.0 TSI engine, which uses a direct injection system, is prone to carbon buildup, particularly on the intake valves. This is because, like other direct injection engines, fuel is injected directly into the combustion chamber, bypassing the intake valves. Over time, carbon can accumulate on the intake valves, affecting engine performance. The symptoms of carbon buildup in a VW 2.0 TSI can manifest in several ways:
In traditional port fuel injection (PFI) systems, fuel is sprayed directly onto the intake valves, which helps to wash away carbon deposits. However, in direct injection engines, fuel is injected directly into the combustion chamber, bypassing the intake valves. As a result, there is no fuel to clean the intake valves, leading to carbon buildup on the valves over time. This buildup can restrict airflow, reduce valve sealing, and impact the air-fuel mixture entering the combustion chamber, leading to:
If your Toyota Hilux is experiencing hard starting and a rough idle , you’re not alone. These issues can be frustrating and are often a sign of underlying problems that need attention. At Intake Port Cleaning, we specialise in diagnosing and fixing engine performance issues—starting with intake port cleaning but going much further to address any other causes that might be contributing to your vehicle’s poor performance.