Updated: 16 Feb 2025

smoke leak detector for cars

Explore up to 39% Off

Updated: 16 Feb 2025

#1

Best Choice
FOXWELL ST203 Smoke Machine Automotive Leak Detector, Auto EVAP Smoke Machine Leak Tetser with Built-in Air Pump, Pressure Gauge and Flowmeter, Emission Vacuum Exhaust Smoke Tester Tools Kit for Cars

9.8

FOXWELL

Read more

Main highlights

[Quick Leak Detection & Comprehensive Diagnosis] The FOXWELL ST203 automotive smoke tester is designed for all 12V vehicles, including cars, minivans, and light-duty trucks. It delivers thorough leak detection across critical systems such as EVAP, Emission, EGR, vacuum, engine, intake, exhaust, fuel tank, turbo, and more—ensuring your vehicle maintains peak performance and safety.

[Enhanced Efficiency & Safety] With a 10-minute work cycle—double the industry standard—the ST203 car smoke detector extends your testing capabilities. Its unique variable frequency technology ensures continuous operation, even under high temperatures. The patented smoke generation system reduces power consumption by over 30% and temperature rise by more than 40%, using just 3ml of smoke oil per 10 minutes, protecting your car battery and maintaining safe temperatures during tests.

[Dual Modes for Precision & Efficiency] Quickly identify potential leaks in Air Mode, which allows for fast detection of smoke-sensitive components. For more precise pinpointing, switch to Smoke Mode to reveal hidden leaks with visible smoke. This dual-mode feature improves testing efficiency and reduces smoke oil consumption.
#2

Value for Money
ANCEL S3000 PRO Automotive Smoke Machine with Built-in Air Pump and Pressure Gauge. Professional Vehicle Leak Diagnostic Detector Tools Kit for Leaks Test in Vacuum,Fuel,EVAP and Other Cars System

9.6

ANCEL

-10%

Read more

Main highlights

USER-FRIENDLY AUTOMOTIVE SMOKE MACHINE: Begin your detection with just 4 simple steps using our automotive smoke tester. It's lightweight, portable, and even includes a built-in air pump for on-the-go jobs. Detect leaks effortlessly and elevate your automotive expertise. Don't miss out - revolutionize your auto experience and order this automotive tool today

GENERAL TIPS: ALWAYS CHECK THE OIL LEVEL BEFORE USE. Low oil may cause dry burning, overheating, and trigger thermal protection, temporarily stopping the device. Refill if needed and let the device cool down for best performance

DETECT EVERY TYPE OF LEAK: Our versatile smoke machine for cars includes multiple vehicle cone adapters, a smoke delivery hose, intake bladder, and full-size automotive cap plugs. It seamlessly fits various lines and hoses, ideal for hassle-free checks on vacuum, fuel, engine, intake system and more

-10%
Curious about how we select the top products for you? Explore How It Works

How do we rank
Our AI-powered platform ranks products using multiple weighted factors from millions of products and user reviews across the web, providing the most valuable and real data. Higher scores rank first.
#3
Solary Automotive Smoke Machine Leak Detector - 12V DC EVAP Vacuum Diagnostic Tester for Pipe System

9.4

Solary

-22%

Read more

Main highlights

Quick Detection: The machine generates thick smoke within just 10 seconds of startup, providing enough output to detect even the smallest leaks, ensuring fast and accurate problem identification

Multi-Function: Suitable for a wide range of tests, including EVAP systems, vacuum leaks, low-pressure turbo leaks, intake manifolds, cooling/EGR/exhaust systems, and more. It can be used on cars, motorcycles, and various other vehicles

Built-in Air Pump: smoke machine features a built-in air pump, eliminating the need for an external air source, allowing you to perform tests anytime, anywhere. Simply add about 20ml of baby oil or Glycerin (oil not included) to start your testing effortlessly

-22%
#4
AutoLine Pro EVAP Smoke Machine Leak Tester – Shop Series - Automotive Smoke Tester for Vacuum Leak Detection - Car Smoke Machine with Ceramic Smoke Coil Smoke Fluid

9.3

AutoLine Pro

-39%

Read more

Main highlights

【 PRECISE AND SAFE】Engineered 100% safe for all vehicles. Thick Smoke output detects even the smallest leaks. Every unit Is backed by Lifetime Warranty! AS AN AMERICAN FAMILY BUSINESS, we stand proudly behind our products. If you have any issues, don't hesitate to contact us directly.

【 HIGH PERFORMANCE, PREMIUM BUILD】Made in the USA. Solid Thick Metal Construction for durability. Equipped with our brand new AutoLine Pro Ceramic Smoke Coil and Top Rated Smoke Fluid that outputs LOTS OF SMOKE and last a Lifetime. (Lifetime Guarantee!)

【 DIAGNOSE ALL TYPES OF LEAKS WITH ADAPTERS】Consistently smoke test EVAP systems, Vacuum leaks, low pressure Turbo leaks, Intake Manifolds, Cooling / EGR / Exhaust Systems, worn rubber, gaskets, seals, connectors, and more! The tapered smoke injection nozzle fits into virtually all hoses and lines.

-39%
#5
Smoke Machine Automotive with Built-in Air Compressor, Professional Smoke Leak Detector for Car, Diagnostic Leak Tester Tools for EVAP, Vacuum, Fuel and More Leak Testing

9.1

THIKPO

Read more

Main highlights

【Safe Car Smoke Tester】This vacuum leak smoke tester automotive is made of thick metal, compact and durable. It has a smart protection device that automatically cuts off the power if the working temperature exceeds the limit value to ensure the safety of the operator and the smoke machine. The device uses baby oil to produce harmless smoke and is perfect for leak detection in the ductwork of all DC12V vehicle types such as cars, motorcycles, snowmobiles, ATVs, light trucks and speedboats.

【Comprehensively Detecting Various Types of Leaks】This smoke machine leak detector can produce columnar smoke at the point of leakage, so as to locate the leakage point in the compartment, repairing it in time and improving driving safety. Great for detecting leaks from throttle shafts, engine blocks, turbo test systems, crankcase systems, air intake systems, exhaust systems, fuel tank systems, EVAP systems, EGR systems, cooling systems, and various piping in a wide range of vehicles (including older models).

【Complete Leak Detection Adapters & Extra Duct Caps】Our multi-functional vehicle smoke machine includes cone adapters, smoke delivery hoses, air intake bladders that work seamlessly with a wide variety of lines and hoses, making it ideal for checking vacuum, fuel, engine, air intake systems, and more. The additional 7 different sized pipe caps feature a tapered design for a tight seal at the appropriate pipe and are made of high quality automotive grade plastic for durability.
#6
KOLSOL Automotive Smoke Leak Detector with Pressure Gauge, Smoke Machine Built-in Air Pump, DC12V Car Smoke Detector Test Leak in Vehicle Pipe Systems for Cars, Motorcycles, Snowmobiles, ATV, Boats

9.0

KOLSOL

-18%

Read more

Main highlights

【DUAL MODELS Test】A6 Automotive smoke detector has two ways to quickly solve leaks. Air test mode can help you determine if there's a leak. And smoke test mode can help you locate leaks.

【Built-in air pump】A6 Automotive smoke detector is built-in air compressor, not limited by the site. And the smoke machine is also equipped with pressure gauge and liquid observation window and overheat protection device, safe and user-friendly.

【A6 Automotive Smoke Leak Detector】KOLSOL A6 automotive smoke machine is designed for testing leaks in all DC12V vehicles' pipe systems. It can easily check car sealing, throttle shafts, engine block, turbo test system, crankcase system, intake system, exhaust system, fuel tank system, EVAP system, EGR system, cooling system, various pipe fittings leakage problems.

-18%
#7
Solary Smoke Machine for Car - DC 12V EVAP Automotive Smoke Tester for Vacuum Leaks

8.8

Solary

-16%

Read more

Main highlights

[with Pressure Gauge] The smoke tester automotive has a pressure gauge, by observing the pressure gauge, you can determine whether the pipeline is leaking more quickly and accurately. Usually the pressure gauge value continues to rise, indicating that there is no problem with the pipeline. If the pressure gauge value continues to decrease, Explain that the pipeline leak needs to be repaired.

[Dual Mode] The smoke leak detector has air mode and smoke mode, two modes can be controlled independently. Air mode help you test whether there is a leak in the pipe by injecting air into the pipe, smoke mode help you lacate the leak accuarately. It can output thick smoke within 20s after turning on, thick smoke output detects even the smallest leaks.

[Automotive Smoke Machine SD302] Solary SD302 auto smoke machine is a professional machine for automotive pipe system leak detection, will help you find leaks and fix most general smoke leak problems. Supports various systems smoke testing, such as EVAP system, exhaust system, intake system, fuel tank system, engine airtightness, various pipe fittings and so on. Suitable for cars, motorcycles, trucks, off-road vehicles and speedboats boat, ect.

-16%
#8
Kuntech Automotive Smoke Machine Built-in Air Pump, 12V DC Smoke Leak Detector for Pipe System, Fuel Leakage, Leakage Diagnostic Tester for All Cars

8.7

Kuntech

Read more

Main highlights

【Safety Operation】Smoke tester uses baby oil or mineral oil to produce harmless smoke and is ideal for leak detection in all vehicles. The amount of fume filling should not exceed 30ml each time

【Multifunction】 This smoke detector has multiple functions such as Pipe system test, car sealing test, fuel tank system test, exhaust system test, intake system test, etc. It's suitable for all cars, motorcycles, light trucks, boats, etc.

【Air Mode & Smoke Mode】The smoke machine has the air mode and the smoke mode, and the fog can be produced within 4 seconds, so you can accurately detect the leak.
#9
Automotive Smoke Machine Leak Tester for EVAP with Built-in Air Motor and Pressure Gauge – Model 03 - Exhaust Smoke Detector Tools Kit - Car Smoke Machine with Flow Meter and Smoke Fluid

8.4

AutoLine Pro

-18%

Read more

Main highlights

Modes - Air mode to verify leaks even before introducing smoke. Smoke mode to introduce smoke into vehicle system for leak detection.

Built in Air Pump - All you'll need is to use your vehicle's 12V Battery

Approved Smoke Fluid - Included.

-18%
#10
Automotive Smoke Leak Detector with Pressure Gauge, DC 12V EVAP Smoke Machine Leak Tester Built-in Air Pump, Vacuum Leak Tester Leak in Vehicle Pipe Systems for Cars Motorcycles Snowmobiles ATV Boats

8.3

KOLSOL

Read more

Main highlights

[Comprehensive Leak Detection] KOLSOL SL200 Automotive Smoke Leak Detector is designed to detect leaks in all DC12V vehicle pipe systems. It is mainly used to solve leaks in throttle shafts, engine blocks, turbo test systems, crankcase systems, intake systems, exhaust systems, fuel tank systems, EVAP systems, EGR systems, cooling systems, and various pipe fittings. It can help you find leaks and solve more than 99% of general smoke leak problems.

[Built-in Air Pump & Pressure Gauge] This EVAP Smoke Machine has a faster and more powerful built-in motor and is equipped with a built-in air pump and pressure gauge, without the need for an external air source. The leak level can be viewed in real time, ensuring that even the smallest leaks can be clearly and accurately detected. The air pressure generated by the compressor has a pressure range of 0 to 15 psi and a smoke output of 1 to 6L/Min, which can easily allow smoke to easily enter the tested sealing system, thereby speeding up the leak detection process.

[Air Mode & Smoke Mode] SL200 EVAP Smoke Machine Leak Tester adopts independent switch control design, air mode switch independent controlled built-air pump, and smoke mode switch independent controlled smoke generator. Built-in intelligent protection device, if it exceeds the working limit, will automatically turn off the power to ensure the safety of the operator and the equipment. In addition, the smoke output can be easily adjusted to meet the needs of various test conditions by simply turning a knob.

Discover top deals and categories on Amazon Check Deals

smoke leak detector for cars

FOXWELL ST203 Smoke Machine Automotive Leak Detector, Auto EVAP Smoke Machine Leak Tetser with Built-in Air Pump, Pressure Gauge and Flowmeter, Emission Vacuum Exhaust Smoke Tester Tools Kit for Cars

9.8

Main highlights

ANCEL S3000 PRO Automotive Smoke Machine with Built-in Air Pump and Pressure Gauge. Professional Vehicle Leak Diagnostic Detector Tools Kit for Leaks Test in Vacuum,Fuel,EVAP and Other Cars System

9.6

Main highlights

Solary Automotive Smoke Machine Leak Detector - 12V DC EVAP Vacuum Diagnostic Tester for Pipe System

9.4

Main highlights

AutoLine Pro EVAP Smoke Machine Leak Tester – Shop Series - Automotive Smoke Tester for Vacuum Leak Detection - Car Smoke Machine with Ceramic Smoke Coil Smoke Fluid

9.3

Main highlights

Smoke Machine Automotive with Built-in Air Compressor, Professional Smoke Leak Detector for Car, Diagnostic Leak Tester Tools for EVAP, Vacuum, Fuel and More Leak Testing

9.1

Main highlights

KOLSOL Automotive Smoke Leak Detector with Pressure Gauge, Smoke Machine Built-in Air Pump, DC12V Car Smoke Detector Test Leak in Vehicle Pipe Systems for Cars, Motorcycles, Snowmobiles, ATV, Boats

9.0

Main highlights

Solary Smoke Machine for Car - DC 12V EVAP Automotive Smoke Tester for Vacuum Leaks

8.8

Main highlights

Kuntech Automotive Smoke Machine Built-in Air Pump, 12V DC Smoke Leak Detector for Pipe System, Fuel Leakage, Leakage Diagnostic Tester for All Cars

8.7

Main highlights

Automotive Smoke Machine Leak Tester for EVAP with Built-in Air Motor and Pressure Gauge – Model 03 - Exhaust Smoke Detector Tools Kit - Car Smoke Machine with Flow Meter and Smoke Fluid

8.4

Main highlights

Automotive Smoke Leak Detector with Pressure Gauge, DC 12V EVAP Smoke Machine Leak Tester Built-in Air Pump, Vacuum Leak Tester Leak in Vehicle Pipe Systems for Cars Motorcycles Snowmobiles ATV Boats

8.3

Main highlights

Similar products on Amazon

Smoke Machine Automotive Leak Detector,Evap Vacuum Smoke Diagnostic Tester,Pipeline Fuel Leakage Detector Compatible with 12V Vehicles

AUTOOL Automotive Smoke Machine Leak Detector,Evap Vacuum Smoke Diagnostic Tester,Pipeline Fuel Leakage Detector Compatible with 12V Cars, Trucks, Motorcycle, ATV, Boats, Snowmobiles

Smoke Machine Automotive Leak Detector, Smoke Machine Leak Tester for All 12V DC Vehicles in Vacuum，Fuel Diagnostic Pipe System,Built-in Air Pump (Oil Not Included)

FOXWELL ST201 Automotive Smoke Machine Leak Detector with Built-in Air Pump, 0.8-1.2 Bar High Pressure Emission Vacuum Fuel Exhaust EVAP Smoke Machine Leakage Detection, Auto Smoke Tester for Cars

AutoLine Pro Automotive Smoke Machine Leak Detector EVAP Vacuum Diagnostics Tester | Economy Series

Wawews Automotive Smoke Machine Leak Detector, Evap Vacuum Smoke Diagnostic Tester with Built-in Air Compressor, Pipeline Fuel Leakage Detector Compatible with 12V DC Vehicles

Smoke Machine Automotive Diagnostic Tester - 12V DC EVAP Vacuum Leak Detector for Pipe System

Evap Smoke Machine Leak Tester - 12V DC Vacuum Smoke Diagnostic with Built-in Air Pump

ANGSO-AUTO Manual Hand Smoke Pump Automotive Smoke Machine Leak Detector EVAP Vacuum Diagnostics Tester Battery & Fluid Free

VXSCAN Automotive Smoke Machine Leak Detector,EVAP Smoke Machine for Cars with Built-in Air Pump and Pressure Gauge, Flow Meter, Dual Mode for All DC12V Vehicles in Vacuum,Fuel and Other Cars System

More products you might like

Sign up and get exclusive special deals