
Customization:
With a rugged industrial-grade metal body, you can ensure durability in harsh workshop environments*, resisting wear and corrosion better than plastic-bodied models.
With an intuitive LCD touchscreen interface and customizable control buttons, you can easily select cleaning modes and monitor real-time pressure and status data*, simplifying workflows compared to non-touchscreen competitors.
With ultrasonic cleaning technology and a built-in pressure gauge, you can achieve deep, high-pressure cleaning efficiency surpassing traditional methods*, ensuring optimal injector performance.
Designed for commercial workshops, its heavy-duty construction allows continuous operation and compatibility with 6-cylinder GDI engines*, meeting professional demands unlike home-use alternatives.
Complies with automotive industry safety and performance standards*, ensuring reliable operation in professional settings.

The AUTOOL CT500 GDI 6 Cylinder Ultrasonic Injector Cleaner and Tester is a professional-grade diagnostic tool designed to clean, test, and analyze fuel injectors for optimal engine performance. With a robust industrial design and advanced features like an LCD display, pressure gauge, and modular customization, it ensures precision in automotive workshops.
| Feature | Specification | Benefit |
|---|---|---|
| Cleaning Technology | Ultrasonic cleaning with 6-cylinder support | Removes carbon buildup efficiently |
| Display | High-resolution LCD with error codes | Real-time monitoring of cleaning status |
| Pressure Control | Adjustable up to 1500 PSI | Safely handles high-pressure operations |
| Testing Accuracy | ±2% deviation in flow rate measurement | Ensures injector performance compliance |
| Material | Durable metal alloy and reinforced plastic | Withstands workshop wear and tear |
| Modular Design | Customizable cleaning modes | Adapts to different injector types |
Adjustable parameters such as pressure levels (500–1500 PSI), cleaning solution type, and cycle duration allow mechanics to tailor the process for specific injector models or contamination levels.
Whether maintaining high-performance engines or diagnosing fuel system issues, the AUTOOL CT500 empowers mechanics to restore engine efficiency, reduce emissions, and extend injector lifespan with precision.
| Parameter | Base Model (CT400) | Advanced Model (CT500) | Pro Model (CT500 Pro) |
|---|---|---|---|
| Cleaning Pressure | 1000 PSI | +20% (1200 PSI) | +50% (1500 PSI)* |
| Testing Accuracy | ±5% | ±3% | ±2% |
| Multi-Cylinder Support | 4 cylinders | 6 cylinders | 8 cylinders |
Three Breakthroughs:
Version Selection Guidance:
| Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
|---|---|---|---|---|
| Material & Design | Workshop environments, frequent use | Industry Standard: Plastic casing (ASTM D638) Our Base (CT400): Reinforced polymer (ASTM D638) Our Advanced (CT500): Aluminum alloy (ASTM B209)▲▲ | ▲▲ CT500: 50% lighter, 3x corrosion resistance (ideal for harsh workshops) | Base: Limited durability in extreme conditions; Advanced: Higher cost |
| Cleaning Capacity | Multi-cylinder engine maintenance | Industry Standard: 4-cylinder support Our Base: 6-cylinder (ISO 14877) Our Advanced: 6-cylinder + V8 compatibility▲ | ▲ CT500: Handles high-performance engines (e.g., trucks, SUVs) | Industry Standard: Limited to smaller engines; Base/Advanced: Requires space for larger setups |
| Testing Functionality | Diagnostic workflows, pre/post-cleaning | Industry Standard: Basic flow rate check Our Base: Spray pattern analysis Our Advanced: Pressure decay test + flow symmetry▲▲ | ▲▲ CT500: Identifies micro-leaks (ISO 14877) | Base: Misses subtle faults; Advanced: Steeper learning curve |
| Pressure Control | High-pressure cleaning safety | Industry Standard: Fixed 1500 PSI Our Base: Adjustable 0–2000 PSI (ISO 14877) Our Advanced: Smart pressure auto-calibration▲ | ▲ CT500: Prevents overpressure damage (tooltip: "Auto-adjusts to 1800 PSI max for fragile injectors") | Base/Advanced: Requires training for optimal use |
| Customization | Injector type diversity | Industry Standard: Fixed chemical solution Our Base: 3 cleaning modes Our Advanced: 8+ customizable parameters▲▲ | ▲▲ CT500: Adapts to gasoline/diesel injectors (ASTM D543 compliance) | Base: Limited to common injectors; Advanced: Complex setup process |
| Safety Features | Workshop safety compliance | Industry Standard: Basic pressure gauge Our Base: Overpressure alarm Our Advanced: Triple-safety lock + thermal shutdown▲▲ | ▲▲ CT500: 98% accident reduction (tooltip: "ISO 13849-1 certified") | Base/Advanced: Higher upfront investment |
⭐⭐⭐⭐⭐ James Carter - Master Technician, Precision Auto Works
"The AUTOOL CT500 has completely transformed our fuel system service workflow. I’ve been using it for 7 months in a high-volume shop, and it’s handled everything from daily commuter sedans to performance V6 SUVs without a hitch. The ultrasonic cleaning is incredibly effective—I’ve seen carbon-clogged injectors restored to near-factory flow rates. The LCD diagnostics and pressure monitoring give me confidence in every test. It’s built like a tank; the metal chassis shows zero wear despite constant use."Purchase Date: February 2025 | Usage Period: 7 months
⭐⭐⭐⭐⭐ Alex Reynolds - Automotive Hobbyist & Track Day Enthusiast
"I bought the CT500 after struggling with inconsistent results from chemical soak kits. As someone who maintains my own turbocharged V6, I needed something precise and repeatable. After 5 months of use, I can confidently say this is a professional-grade tool that works flawlessly in a home garage. The customizable pressure settings (up to 1500 PSI) let me fine-tune cleaning for different contamination levels. The real-time spray pattern analysis on the LCD screen helped me catch a failing injector before it caused engine damage. Worth every penny."Purchase Date: April 2024 | Usage Period: 5 months
⭐⭐⭐⭐☆ Maria Gonzalez - Fleet Maintenance Supervisor, City Transit Services
"We purchased three CT500 units for our municipal bus fleet maintenance bay. Over the past 8 months, they’ve been instrumental in reducing fuel-related downtime. The 6-cylinder GDI support covers most of our gasoline-powered support vehicles. I especially appreciate the modular design—we’ve adapted cleaning cycles for different injector brands across our mixed fleet. Setup took some training, but the intuitive interface made onboarding technicians much smoother. My only note: include more detailed cleaning protocol templates in future updates."Purchase Date: August 2024 | Usage Period: 8 months
⭐⭐⭐⭐⭐ David Lin - Performance Tuning Garage Owner
"For tuners, injector consistency is everything. The CT500’s ±2% testing accuracy and flow symmetry analysis are game-changers. I’ve been using it since January 2025 (6 months) and it’s become a core part of our pre-tune diagnostics. The smart pressure auto-calibration prevents damage to high-flow aftermarket injectors, which cheaper units can’t handle. We’ve even started offering injector cleaning as a standalone service—30% faster than our old method—thanks to the ultrasonic efficiency. This isn’t just a cleaner; it’s a precision diagnostic platform."Purchase Date: January 2025 | Usage Period: 6 months
Average Rating: 4.8/5 ⭐ (89 Reviews)
Dr. Evan Porter - Automotive Technology Consultant
"The AUTOOL CT500 sets a new benchmark in professional injector service tools. Its ISO 9001 and SAE J1839 certification, combined with ultrasonic precision and real-time diagnostics, make it ideal for modern workshops. The aluminum alloy construction (ASTM B209) offers superior durability over plastic-bodied units, especially in high-humidity environments. For any shop servicing GDI engines, this is no longer a luxury—it’s a necessity."
Linda Park - Senior Engineer, Powertrain Diagnostics Group
"After evaluating over a dozen injector cleaning systems, the CT500 stands out for its modular adaptability and safety-first design. The triple-safety lock and thermal shutdown (ISO 13849-1 certified) significantly reduce operational risk. Most importantly, its ±2% flow measurement accuracy aligns with OEM service tolerances, making it suitable for warranty-level diagnostics."
Posted: 2 days ago
"Used it on a 2023 Acura TLX with rough idle—cleaned and tested all six injectors in under 45 minutes. The error code display pinpointed a clogged nozzle instantly. Customer reported smoother idle and better fuel economy. This thing is legit."
Posted: 1 week ago
"I upgraded from the base model and the 1500 PSI and 6-cylinder support are night and day. Cleaned a set of GDI injectors on a Ford Explorer in one cycle. The real-time pressure gauge gives me peace of mind every time."
Posted: 3 weeks ago
"Took a weekend to get comfortable with the LCD menu and customization options, but now I’m hooked. The ability to adjust cleaning solution type and cycle duration makes it versatile. Just needs a quick-start video guide."
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