dsers

FOXWELL ST203 "Smoke 'Em If They Leak" Pro EVAP Leak Detector – Built-in Pump, 12V Smoke Machine for Car Pipe Diagnostics & Vacuum Testing

$310.02 USD

~~$318.98 USD~~ $310.02 USD

Sale Sold out

Shipping calculated at checkout.

Ships From United States

Quantity

FOXWELL ST203 "Smoke 'Em If They Leak" Pro EVAP Leak Detector – Built-in Pump, 12V Smoke Machine for Car Pipe Diagnostics & Vacuum Testing

Out here in the underground garage circuit, we don’t trust clean dashboards and quiet engines. Every real road warrior knows—the devil’s in the leaks. And the FOXWELL ST203? It’s your backstage pass to hunt ‘em down like a metalhead tracks distortion.

You’ve got a machine built for precision sabotage—but in reverse. This 12V, hard-rocking smoke monster doesn’t just test—it performs. It shreds through EVAP systems, vacuum lines, exhausts, intake manifolds, and more like it’s headlining a festival of diagnostics. With a built-in air pump and 12L/min smoke output, you’re bringing the pressure and the presence.

No guessing, no fumbling. You bring the FOXWELL ST203 on stage, and your car talks back. Smoke out the issue, zero in, and hit the fix with confidence. Because in the garage, like on the stage, silence is suspicious.

🎯 Why You’ll Love It (Even If You Deny It):

Control the Chaos: Create your own smoke show to pinpoint pipe leaks without the guesswork.
Punk-Proof Power: Output pressure of 0.8–1.2 bar, engineered to outlast flaky systems.
Fast Smoke, No Joke: 12L/min smoke output means you’re diagnosing leaks before the intro riff ends.
Plug, Puff, Diagnose: Just hook up to any 12V power source and you’re ready to rip.
Compact Carnage: Sleek design with built-in air pump = zero external compressor needed.
All Pipes. All Problems.: EVAP, intake, exhaust, turbo, PCV—this beast sniffs it all out.
Made by Legends: Backed by FOXWELL’s diagnostic dominance, trusted by pro gearheads.

📐 Full Specs:

Brand: FOXWELL
Model: ST203
Function: Car Smoke Leak Detector / EVAP Diagnostic Tester
Application: Automotive pipe systems, vacuum leaks, EVAP system diagnostics, intake/exhaust leak detection
Power Source: 12V Vehicle Battery
Built-in Pump: Yes
Smoke Output Rate: 12 Liters/Minute
Working Pressure: 0.8 - 1.2 bar
Safety: Hign-concerned Chemical: None
Origin: Mainland China
Promise: 100% Original FOXWELL
Form Factor: Compact, portable diagnostic tool
Compatibility: Universal for most automotive brands and models

FOXWELL ST203 Advanced Features

【BUILT IN AIR PUMP】 No air compressor needed. Just connect staright to your vehicle's 12V battery and generate smoke in seconds!
【Build in Pressure gauge 】 to monitor total sytem pressure . Smoke mode to introduce smoke into vehicle system for leak detection.

【 Adjustable Flow Meter】Air Flow meter with ajustable button, easy to control the smoke effect(output flow:<7L/Min)

【Portable & easy to use 】

Dual Mode
No need to buy extra air compressor !
Air Mode: Air mode can help you test whether there is a leak in the pipe by injecting air into the pipe, and judge by the sound made when the air leaks. Own a S300 air conditioning leak detector, you don't have to buy additional air compressor or air pump, which makes your diagnosis easy and cost-effective.
Smoke Mode: Smoke mode help you lacate the leak accuarately through the visible smoke. The smoke can be produced within seconds, dramatically reducing diagnostic time.

BUILT IN AIR PUMP

No air compressor needed. Just connect staright to your vehicle's 12V battery and generate smoke in seconds!

Pressure Gauge
No Leak: When the value of the pressure gauge remains unchanged, it indicates that there is no leakage in the system.
Small Leak: When the value of the pressure gauge drops, it indicates a small leak in the system.
Massive Leak: When the value of the pressure gauge reaches zero, it indicates a massive leak in the system.

Adjustable Flow Meter

Air Flow meter with ajustable button, easy to control the smoke effect(output flow:<7L/Min)

Wide Coverage

Suitable for all domestic cars, motorcycles, snowmobiles, off-road vehicles, beaches. Cars, light trucks and speedboats, etc. Using together with automotive diagnostic tool, you can find the vehicle problem accurately and diagnose fault.

How to do leakage test？

1. Turn OFF the ignition of the vehicle.
LEAK TEST OF VEHICLE SYSTEMS REQUIRES THE ENGINE TO BE OFF
2.Dismantle the air filter and the throttle connections.
3.Clean the inner wall of the intake opening to avoid sharp objects and put the Universal Intake
Adapter into the opening
4.Connect the Power Cord to 12V vehicle battery.
5.Now the Power LED would be ON, if else check the power supply.
6.Introduce the smoke nozzle into the system via the Adapter Cone
7.Press Air Control Switch, wait for 30 seconds until the system is pressurized, and check the
Pressure Gauge & Flow Meter reading for leak status, if the unit is equipped with Pressure Gauge & Flow Meter
8.Press Smoke Control Switch, .unplug and Plug back the smoke nozzle back into the Cone Adapter when there’s obvious smoke coming out of the smoke nozzle
9.The system will be ready for leak check in 2 minutes. Use a bright light torch or working lamp to assist
10.After test, press Smoke Control Switch again to stop the unit from generating smoke and
press Air Control Switch to stop generating pressurized air
11.Collect the Smoke Hose and the Power Cord with the Velcro Straps for storage. Hang the unit or make it stand in UPRIGHT position only. Do NOT lay it down.

Smoke Oil Choose
The equipment is compatible with mineral oil based baby oil like Johnson & Johnson Pink bottle. Pure #5 white oil is the best choice if available.

Caution !!!

1.When you use this FOXWELL ST203 Car Smoke Leak Detector for the first time, fill with 20ml oil . Please be careful NOT to beyond this range.

2.The testing liquid : both liquid paraffin and baby oil are OK.

3.Fresh oil can be filled with only when the smoke gets thin, and it can’t be filled over 20ml each time.

4.Before filling fresh oil, please pour out the left oil in the detector & replace the detector oil regularly.

5.During the process of leak detection, please keep away from smoke-sensitive parts.

6.Do NOT run the detector over 8 minutes continuously. It needs interval rest.

7.The detector has an intelligent protector, if it exceeds the working limit, such as over 75 ℃, it will automatically turn off the power. In this case, please operate it later.

8.The round part of this detector has temperature, please be careful to avoid burns.

9.If the test pipe needs to be disconnected in the middle, please secure the other side with a rubber stopple.

10. Please do not fill full the test oil when the test to avoid oil leakage and splashing. Just pour in two thirds of the test oil.

Specifications
Power source: 12V fully charged vehicle battery
Current: 6A
Flow rate: < 7 LPM
Pressure output: 0.8~1.0 bar

Pakage List