Modern vehicles rely heavily on sealed systems. Even the smallest leak in an intake, EVAP, vacuum, or exhaust system can trigger a check engine light, reduce engine performance, or cause increased fuel consumption. Unfortunately, many of these leaks are invisible to the naked eye.
The AUTOOL SDT206 EVAP Smoke Machine is designed to solve this problem by providing a fast, safe, and accurate way to locate leaks in automotive pipe and sealed systems.
A smoke machine is a simple but powerful diagnostic tool that helps you find leaks in a vehicle that are impossible to see with the naked eye.
Many engine problems — such as rough idle, loss of power, poor fuel economy, or a check engine light — are caused by air or vacuum leaks. These leaks are often hidden inside hoses, seals, or plastic fittings that look fine from the outside.
A smoke machine works by filling a closed system with visible smoke.
If there is a crack, loose hose, worn seal, or leak point, the smoke will escape — making the problem instantly visible.
You can use it to test systems such as:
Leaks in the intake system reduce the amount of air reaching the engine, leading to poor throttle response and loss of power. The SDT206 quickly reveals intake hose leaks, loose clamps, and intake manifold sealing issues.
Leaks in the fuel evaporation (EVAP) system can cause fuel vapors to escape into the atmosphere, leading to emissions faults and unstable idling. The Autool SDT206 allows precise detection of EVAP leaks without unnecessary part replacement.
Exhaust leaks can be harmful to health and may cause loud noise or backfiring in certain engine conditions. With the SDT206, exhaust leaks can be detected without running the engine, preventing exposure to harmful gases.
Excessive crankcase pressure or corrosion can damage seals and cause oil leaks. Smoke testing helps identify weak points in the crankcase ventilation system before major failures occur.
Turbocharged engines are extremely sensitive to leaks. A small boost leak can result in power loss, turbo lag, or incorrect temperature readings. The SDT206 allows accurate testing of turbo hoses, intercooler pipes, and boost connections.
Improper installation, damaged fuel caps, or worn seals can cause leaks in the fuel tank system. Smoke testing helps pinpoint these issues quickly and safely.
Over time, EGR valves and pipes may clog, deteriorate, or leak. These issues can reduce engine performance and increase emissions. Smoke testing provides a clear visual indication of EGR system leaks.
Leaks in the cooling system can cause coolant loss, overheating, and engine damage. The Autool SDT206 helps identify leaks in radiator hoses, heater hoses, and other cooling system components.
The AUTOOL SDT206 is designed so that both professionals and DIY users can use it confidently.
🔧 No External Air Compressor Needed
The SDT206 has two built-in air pumps, so you don’t need extra equipment. Just connect it to the vehicle and start testing.
🔄 Two Working Modes for Better Control
This helps avoid over-pressurising the system and ensures safe testing.
📊 Clear Visual Feedback
A built-in flow meter and pressure gauge let you monitor airflow and pressure in real time, so you always know what’s happening inside the system.
⚡ Fast Setup, Fast Results
Powered by a standard 12V vehicle battery, the SDT206 heats up quickly and produces dense, visible smoke using safe testing fluid such as baby oil or mineral oil.
✔ Find leaks faster
✔ Avoid unnecessary part replacements
✔ Save time in the workshop or garage
✔ Diagnose problems with confidence
✔ Suitable for modern vehicles and turbo engines
Whether you’re a professional mechanic or a home car enthusiast, the AUTOOL SDT206 makes leak detection clear, safe, and straightforward.
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