ST201 Automotive Smoke Leak Detector with Built-in Air …

FOXWELL ST201 Automotive Smoke Leak Detector with Built-in Air Pump

Professional smoke leak detector with built-in air pump. Pinpoint vacuum, intake, and EVAP leaks in minutes — no external compressor needed.

4.4 (96 Amazon ratings)
Price on Amazon$149.99

Amazon price checked Jun 14, 2026

Overview

Stop chasing EVAP codes and power loss with guesswork. This high-density ST201 smoke machine reveals micro-leaks in EVAP, intake, vacuum, turbo, and exhaust systems within minutes, letting you pinpoint the issue before replacing parts. Restore throttle response, fuel economy, and smooth driving faster with precise diagnostics built for real-world repairs.

Why Choose This Tool

Skip the compressor and start testing the moment you connect power. The integrated high-output pump provides steady airflow instantly, making this smoke leak detector ideal for garages, mobile mechanics, and roadside checks. Lightweight and portable, it delivers professional-grade diagnostics in driveways, shop bays, and on-site service calls without extra tools or setup time.

Modern vehicles need controlled testing—not excessive pressure. This smoke tester’s precise 0.8–1.2 bar range mirrors real engine conditions, exposing leaks without stressing EVAP lines, turbo couplers, intake seals, or sensors. Enjoy consistent, repeatable, damage-free diagnostics with a automotive test tool engineered for today’s complex emissions and boost systems.