AUTOOL PT640 GDI Fuel Pressure Gauge
High-Pressure GDI Fuel System Tester
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AUTOOL PT640 GDI Digital Fuel Pressure Gauge Kit
Professional GDI Fuel System Diagnostic
The AUTOOL PT640 GDI Fuel Pressure Gauge is a professional high-pressure diagnostic testing solution designed for modern gasoline direct injection (GDI) fuel systems. Featuring a precision digital measurement system, multi-unit conversion, and a clear 2.8-inch backlit display, the PT640 delivers fast and accurate fuel pressure readings across a wide pressure range. Built for workshop reliability and ease of use, it supports efficient fault diagnosis, fuel system testing, and maintenance procedures for automotive technicians and repair professionals.
Main Features
- Precision Digital Fuel Pressure Testing – Designed specifically for modern GDI fuel systems, the AUTOOL PT640 delivers accurate and stable pressure measurements for professional automotive diagnostics and fuel system analysis.
- Wide High-Pressure Measurement Range – Supports pressure testing up to 5221.3 PSI, making it suitable for high-pressure gasoline direct injection systems across a broad range of vehicle applications.
- Multi-Unit Pressure Conversion – Allows quick switching between PSI, Bar, and Kg/cm² measurement units to support different workshop preferences and diagnostic requirements.
- 2.8-Inch Backlit Display – Features a clear digital screen with adjustable backlighting for improved readability during low-light workshop inspections and engine bay diagnostics.
- Secure Interface Lock Function – Includes a built-in locking feature that helps prevent accidental setting changes during operation, ensuring stable and uninterrupted testing results.
- Advanced Sensor Technology – Combines precision sensors with intelligent digital processing to deliver reliable, responsive, and highly accurate fuel pressure readings.
- Workshop-Ready Diagnostic Design – Built for professional automotive technicians, the PT640 offers durable construction suitable for regular workshop and field diagnostic use.
- Simple Operating Procedure – Provides a straightforward testing process that supports efficient fuel pressure inspections, system troubleshooting, and maintenance verification.
- Broad Vehicle Compatibility – Compatible with a wide range of gasoline direct injection fuel systems using appropriate vehicle-specific adapters.
- Three-Year Manufacturer Warranty – Backed by AUTOOL’s 3-year warranty support for non-human-factor manufacturing faults, providing additional confidence for professional users.
Package Includes
- AUTOOL PT640 GDI Fuel Pressure Gauge
- Fuel Pressure Measuring Probe
- Vehicle Adapter Set
- Connection Hoses
- Carry Storage Case
- User Manual
AUTOOL PT640 is a professional-grade digital fuel pressure testing solution
| Designed for GDI fuel system pressure testing |
| Wide pressure measurement range up to 5221.3 PSI |
| Digital high-accuracy pressure monitoring |
| Multi-unit pressure conversion function |
| 2.8-inch backlit display for clear visibility |
| Interface lock prevents accidental setting changes |
| Fast and reliable fuel system diagnostics |
| Suitable for professional automotive workshops |
| Durable construction for daily workshop use |
| Includes 3-year manufacturer warranty |

AUTOOL Pressure Gauge Comparison
Comparison Table: PT640 | PT650 | PT660
PT640 |
PT650 |
PT660 |
|
|---|---|---|---|
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| DISPLAY & STORAGE | |||
| Display Screen | 2.8-inch | 2.8-inch | 3-inch |
| Data Storage | X | X | X |
| CONNECTIVITY & ACCESSORIES | |||
| Accessory Connectors | 3 Types | 12 Types | 1 Types |
| Equipped Toolbox | ✓ | ✓ | ✓ |
| Dual-Channel Pressure Testing | X | X | Simultaneously Measure the Pressure of Two Brake Calipers |
| MEASUREMENT FUNCTIONS | |||
| Data Lock / Clear / Record | ✓ | ✓ | ✓ |
| Multi-Parameter Display | Maximum Value, Minimum Value, Differential Pressure Value, Measurement Time, Real-Time Pressure Value | Maximum Value, Minimum Value, Differential Pressure Value, Measurement Time, Real-Time Pressure Value | Maximum/Minimum/Differ ential Pressure Values for Different Calipers, Real-Time Pressure Value |
| Pressure Units | Psi, Bar, Kg/c㎡ | Psi, Bar, Kg/c㎡ | Psi, Bar, Kg/c㎡ |
| PRESSURE RANGE | |||
| Pressure Range | 0–360 bar | 0–30 bar | 10–210 bar |
| APPLICATION | |||
| Applicable Scenarios | Fuel Injection Pump Pressure in the Automotive Direct Injection System | Automotive Transmission Pressure | Internal Fluid Pressure of the Brake System |
| LEARN MORE | LEARN MORE | LEARN MORE |
AUTOOL PT640 GDI Fuel Pressure Gauge Kit
| Product Model: AUTOOL PT640 |
| Product Type: GDI Fuel Pressure Gauge |
| Display: 2.8-inch backlit digital screen |
| Pressure Units: PSI, Bar, Kg/cm² |
| Pressure Range: 0~5221.3psi |
| Pressure Range (Bar): 0~360bar |
| Pressure Range (Kg/cm²): 0–367 Kg/cm² |
| Measurement System: Digital high-precision sensor system |
| Unit Conversion: One-touch multi-unit switching |
| Interface Lock Function: Supported |
| Application: GDI fuel system diagnostics |
| Warranty: 3 Years |

Delivery
99% of purchases are dispatched from our Melbourne warehouse within 24 hours of payment. Every parcel is shipped with Australia Post e-Parcel, complete with tracking and signature on delivery.
Need it sooner? Express shipping is also available—check if your postcode is in the Next Day Delivery network.
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Warranty
All AZscanners products are backed by a 12-month warranty (unless otherwise stated). We stand by the quality of our tools and will repair or replace your item if a covered fault arises.
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