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 PT640 high-pressure fuel system tester

AUTOOL Pressure Gauge Comparison

Comparison Table: PT640 | PT650 | PT660

 

PT640

PT650

PT660

 

AUTOOL PT640 GDI Fuel Pressure Gauge

AUTOOL PT650 Transmission Oil Pressure Gauge Tester

AUTOOL PT660 Brake System Pressure Tester

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

AUTOOL PT640 Technical Specifications

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.

Returns

Shop with confidence. We offer a 30-day money back guarantee on all orders. If you’ve had a change of mind, simply return the item in re-original condition and we’ll make it right.

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.

AZscanners Guarantee - why buy obd scanners diagnostic tools from us

Buying your scan tool should feel easy, safe, and backed by a team you can trust.

That’s why thousands of mechanics, fleets, and car owners across Australia choose AZscanners. Here’s our promise to you:

Trusted Since 2013

We’ve been Australia’s go-to supplier of premium diagnostic scan tools for over a decade. From workshops and mobile mechanics to DIY users, we’ve built our reputation on quality, reliability, and real support.

30-Day Money Back Guarantee

Changed your mind? No problem. You have 30 days to return your item in its original condition for a full refund. It’s our way of making your purchase completely risk-free.

Quality You Can Count On

Every product in our range is hand-picked for performance, compatibility, and durability. Whether you’re after a professional-grade scan tool or an easy solution for home use, we’ve got you covered.

Local Support that Cares

We don’t just sell scan tools — we support them. Our team of technicians is here to answer your questions before and after purchase, so you’re never left on your own.

Fast & Reliable Shipping

99% of orders are shipped within 24 hours (from our Melbourne warehouse) with tracking and signature included. Need it quicker? Express delivery is available.

Competitive Prices Direct to You

We keep our overheads low and source directly from manufacturers, so you get premium tools without the premium price tag.

Be The First To Review This Product!

Help other AZscanners users shop smarter by writing reviews for products you have purchased.

Write a product review

Others Also Bought

Recommended Products

Need help choosing the right automotive scan tool?

We supply workshops, mechanics, and automotive professionals with trusted OBD scan tools, diagnostic equipment, and vehicle testing solutions. Get expert advice, competitive prices, and wholesale rates — contact us today to find the right scan tool for your needs.

Contact Us